Mike Wye & Associates Ltd
Suppliers of Natural Building and Decorating Products
sales@mikewye.co.uk

South YeoLime course - pointingVenetian plaster bathroomLime mortar hairedTyrella House Kitchen

UNBEATABLE Quality, Prices and Service
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For orders & advice please telephone 01409-281644
Lime & Related Products Index & Prices
Please click on the links below for prices and information

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Practical DVD Using Lime Products Natural Hydraulic Lime (NHL) Limecrete Books
ecoCORK insulating render/plaster Lime Mortar Haired 3/1 or 3.5/1 Plastering Hair Cob Blocks & Helifix bars
Secil Consolidation Mortar Lime Mortar Biscuits Lath Thoroseal Waterproofing
Secil Finishing Mortar Lime Plaster Pigments Trowels & Tools
Lime Putty DG27 Oak Lintels
Hessian
Lime Mortar Unhaired 3/1 or 3.5/1 Lime Putty Filler Pozzolans Clearway mould remover
Lime Mortar Unhaired 4/1 Limewash Fibre glass mesh rolls Lime Safety Data Sheet

Why use lime?
Before this century building techniques and materials were very different from those employed today. Traditional properties need to "breathe" to allow moisture inherent in a solid wall construction without a damp proof course to evaporate from the external stonework or render. Many old buildings are constructed from materials such as brick, cob and stone which are relatively porous and often of lower strength. Lime putty mortars were normally used for bedding and plastering. Lime mortar is a relatively softer mortar and therefore it is able to withstand a certain amount of movement (without cracking) that comes with settlement and seasonal changes in ground conditions. Lime mortar is porous and allows moisture to evaporate, helping to keep a building free of dampness.

What lime do I use? A rough guide
Pure lime putty mortars and plasters dry by suction and evaporation and then they carbonate. This is the oldest, most flexible and breathable form of lime. The Romans discovered that adding volcanic ash from Pozzuoli to a lime putty mortar created a chemical set making the lime mortar hydraulic i.e. it enabled the mortar to set in the presence of water and allowed the Romans to build structures such as aquaducts. Substitute materials have long since been used instead of volcanic ash, hence any burnt clay that reacts with pure limes to create a hydraulic lime set is referred to as a Pozzolan after the original discovery. If lime putty is kept moist and free from Pozzolans, it will last indefinitely and actually improve with age reducing wastage.

So the original hydraulic lime was in fact a combination of pure lime putty and a Pozzolan that can still be replicated and is usually used these days in the UK to render and point externally or internally on to walls that are inherently damp and require the chemical set.

A dry powdered Natural Hydraulic Lime was introduced much later when limestone was discovered with natural impurities that when burnt mimicked the Pozzolans used by the Romans. This is perhaps more like a weaker, early form of OPC (Ordinary Portland Cement) as it needs to be dry stored and a chemical set begins once water is absorbed into it. If stored dry and air tight, this form of hydraulic lime offers a potentially cheaper option for a bedding or pointing mortar. Care should be given to selecting the most appropriate Natural Hydraulic lime as they come in different strengths of NHL2, NHL3.5 and NHL5. Different manufacturers strengths can vary widely even within these grades. NHL5 is ideal for Limecrete floors, chimney flaunching, coping or ridge tiles. Obtain guidance from our technical advisors before selecting the lime for your project if in any doubt. Lots more details can be found at: www.naturalhydrauliclime.net

Time of year:
Please note that great care should be taken not to apply lime mortars when there is a risk of frost damage due to ice crystals forming within the lime mortar. It is important to prevent frost crystals forming within the mortar soon after application. Carbonation takes at least a month for each millimetre of thickness, therefore it may take over 20 months before lime mortar has carbonated to a depth of 20mm. It may be necessary to increase the amount of Pozzolan added. It is ideal to ensure complete weather protection of the work at all times of the year.

Please contact us full more guidance and information.

More information about period properties and lime

Practical DVD Using Lime Products (1 Hour Long) To view trailer, click here
Training DVD using lime in renovation practical course
A practical guide that has proved invaluable as an introduction to builders and home owners new to traditional building maintenance. It covers many repair and maintenance jobs on traditional buildings using lime putty materials. Includes building stone rubble walls, repairing cob walls, lime rendering, lime plastering onto solid walls and lath, preparing and repointing stone wall joints, limewashing, health and safety and the tools required.

 
Price excl. VAT
Posted Price
incl. VAT
DVD
£10.00
£14.40

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Lime Putty

This is a non-hydraulic lime putty slaked from the finest Buxton quicklime and matured for a minimum of three months. It is supplied in plastic tubs and forms the basis for all our pre-mixed lime putty products giving the finest possible lime putty mixes.

Our mature lime putty is tested by Buxton lime to the European EN459 -2:2001 standard;

Soundness (Slaked totally) Pass
PATS test (moisture content/maturity) Pass
99.99% is finer than 0.18mm particle size


Coverage - 1 tonne of lime mortar will require 8 tubs of the 27 kg size mixed with a suitable sand for a 3 to 1 ratio.

WEIGHT
PRICE
Max tubs per pallet
13kg
£6.80
45
21kg
£8.40
33
27kg
£10.80
22

Extra matured lime putty can be supplied subject to availability. We guarantee these have been slaked for at least 12 months. This would be ideal for making your own polished plasters or fine decorative plasters etc.

WEIGHT
PRICE
Max tubs per pallet
13kg
£10.20
45
21kg
£12.60
33
27kg
£16.20
22

 

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Lime Mortar Unhaired 3/1 or 3.5/1
Lime mortar technical information sheet
Lime Mortar 3.5/1 Unhaired, 1000 kg bag
lime mortar 3.5/1 unhaired 1000kg bag
3/1 - suitable for internal building and pointing
3.5/1 - suitable for external building and pointing where a pozzolan such as Argical is to be added.

Our premixed lime mortars are made from our own matured lime putty and a wide range of suitable coloured sands, enabling us to offer matches to existing lime mortar where required. We can supply lime mortar biscuits for you to match your own mortar or we are happy to give advice if you send us a sample of your mortar in the post.

We do not make a charge for advice on matching the samples. For advice on the use of lime mortars and pozzolans, have a look at our "Repair Guidesheets" and "FAQs".

Coverage - 1 tonne of lime mortar will repoint 100-150 sq.metres of stonework.
The 900kg bulk bags are designed for safe transport & unloading on a 1 tonne tail lift vehicle.

Lime putty mortar colours

Our standard range of mortars are fully matured and available for immediate despatch. Specialist coloured mortars are typically used for pointing or bedding stone or brickwork where you need to match an existing or the local type of mortar. These mortars are made to order, typically with a 2-3 day lead time and some coloured lime mortars cost more than our standard lime mortars.

Please click on the image for more details.

SIZE
EACH
Single biscuit sample
£1.50
Biscuit sample box set as shown
£20.00

 

Supplied in 21kg tubs and 500kg, 900kg and 1000kg dumpy bags with plastic bale liners.
Bulk Discounts: 2 - 3 tonnes ~ 5%, 4 - 9 tonnes ~ 10%, 10+ tonnes ~ 12.5%, 10% for full 45 x 21kg tub pallets

WEIGHT
PRICE ~ 3/1
PRICE ~ 3.5/1
21kg
£6.00
£5.90
0.5 tonne
£77.00
£74.00
900 kg £118.00 £113.00
1 tonne
£130.00
£125.00

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Lime Mortar Unhaired 4/1
Suitable for laying cob blocks.
Coverage - 1 tonne of lime mortar will lay approx. 160 cob blocks.
The 900kg bulk bags are designed for safe transport & unloading on a 1 tonne tail lift vehicle.

Supplied in 21kg tubs and 500kg, 900kg and 1000kg dumpy bags with plastic bale liners.
Bulk Discounts: 2 - 3 tonnes ~ 5%, 4 - 9 tonnes ~ 10%,
10+ tonnes ~ 12.5%, 10% for full 45 x 21kg tub pallets

WEIGHT
PRICE
21kg
£5.70
0.5 tonne
£69.00
900 kg £108.00
1 tonne
£119.00

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Lime Mortar Haired 3/1 or 3.5/1 Lime mortar information sheet
3/1 - suitable for internal backing coats of plaster. For the scratch coat onto lath ceilings we also supply a double haired mortar.
3.5/1 - suitable for external backing coats of render.
Our haired lime mortars are premixed and matured and use a traditional, natural animal hair not polypropylene.

The haired mortar needs to be used within 2 - 3 weeks as the hair will gradually dissolve in the alkaline mortar - you will end up with an unhaired lime mortar! This is still usable if you tease extra hair into the mortar.
Coverage - 1 tonne of haired lime mortar covers 50 sq.metres at a depth of 10mm.
The 900kg bulk bags are designed for safe transport & unloading on a 1 tonne tail lift vehicle.


Supplied in 21kg tubs and 500kg, 900kg and 1000kg dumpy bags with plastic bale liners.
Bulk Discounts: 2 - 3 tonnes ~ 5%, 4 - 9 tonnes ~ 10%, 10+ tonnes ~ 12.5%, 10% for full 45 x 21kg tub pallets

WEIGHT
3/1 haired
3/1 double haired
3.5/1 haired
21kg
£6.50
£7.50
£6.40
0.5 tonne
£91.00
£102.00
£87.00
900 kg £141.00
£156.00
£136.00
1 tonne
£156.00
£173.00
£151.00

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Lime Putty Plaster plaster information sheet
Traditional lime putty plaster skim

We supply our lime plaster in three formulas and a range of sizes. Both our 2/1 and 3/2 mix are suitable for final coat internal plaster skimming. The mix ratios mean ~ fine sand/lime putty, by volume. The 2/1 mix can be applied a little thicker and is suitable for internal wall finishes over lime backing coats. It can be sponged to give a slightly textured finish or trowelled smooth. Our richer 3/2 mix is better suited for ceilings and when skimming plasterboard. In the latter case it will be necessary to scrim the joints of bare plasterboard as usual with a very thin coat of gypsum to secure the scrim tape, alternatively lime wall finish smooth may be used. The primer DG27 should then be applied over the whole surface. Our Regency plaster offers the smoothest of lime plaster finishes and is specifically designed to match historic ratios in the finest historic plasterwork.


Coverage - A 10 litre tub weighs 19 - 20kg depending on the mix ratio and covers 2 sq. metres at 5mm thickness, 3.3 sq. metres at 3 mm, 4 sq. metres at 2.5mm and 5 sq. metres at 2mm thickness.

Supplied in 19 & 20kg tubs and 500kg, 900kg and 1000kg dumpy bags with plastic bale liners.

Bulk Discounts: 2 - 3 tonnes ~ 5%, 4 - 9 tonnes ~ 10%, 10+ tonnes ~ 12.5%, 10% for full 45 x 17-20kg tub pallets

WEIGHT
PRICE ~ 2/1
PRICE ~ 3/2
20kg /19kg
£6.80
£7.50
0.5 tonne
£102.00
£119.00
900 kg £156.00 -
1 tonne
£181.00
-

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Regency Lime Plaster
A superior blend of our mature lime putty with fine sands and marble flour. This is suitable for creating exceptionally smooth trowelled finishes. For use as a final coat its applied over a first coat of our 3/2 fine lime plaster, having prepared the background with suitable backing coats of lime mortar. It can also be applied onto plasterboard or gypsum plasters providing these surfaces are primed with DG27 and after an initial skim of 3/2 fine Lime Plaster.

Coverage- Coverage- A 10 Litre tub weighs 18kg and covers 10 sq. metres at 1mm.

WEIGHT
PRICE
18kg
£9.50

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Lime Putty Filler
This is a pure white filler for those repairs where the 3/2 lime putty plaster is not appropriate. It comes in two grades and as a pre-coloured filler mixed to the same 54 standard colours as we supply our limewash in, to better match existing limewashed walls;
Fine
for very thin hairline cracks that will feather in for seamless repairs.
Coarse for larger cracks up to 2mm. It can be pigmented if required or will take limewash or a breathable paint.

Size
Fine
Coarse
Pre-coloured
1 litre
£6.50
£6.50
£10.50
2.5 litre
£12.50
£12.50
£17.00

DG27
On occasion you may wish to finish gypsum plaster or plasterboard with a lime plaster to coordinate the look and decoration of a room. DG27 is a bonding primer that allows lime plasters to be applied over plasterboard or gypsum plasters. Plasterboard joints must be prepared as usual with scrim. DG27 is a thick liquid that can be diluted with up to 5% water if appropriate. It's painted on and dries in around 6 hours leaving a texture that's gritty like sandpaper and a little porous. The best grade of lime plaster to use with DG27 is our 3/2. DG27 can also be useful in consolidating a problem surface where you just want to apply a thin lime plaster skim e.g. where the surface was previously wallpapered or emulsioned.
Click here for technical sheet

For your information there is 1.55kg of DG27 per litre.
Coverage: 7.5m2 per litre
Bulk Discounts: 10 x 10L tubs or more ~ 10%

WEIGHT
PRICE
1 litre pot
£12.00
5 litre bucket
£52.00
10 litre bucket
£94.00


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Limecrete

Limecrete in section

For product prices, full technical information, method statements, case studies etc. please click here or visit our dedicated website limecrete.net

Limecrete is a mixture of natural hydraulic lime (NHL) and aggregate that can be used to create breathable floors. It offers increased vapour permeability which is especially important for traditional buildings to help prevent dampness, and is usually laid in combination with breathable membranes.

A lightweight insulating clay ball can be used instead of sand to create a warmer floor design. A coated version of 10-20mm size can be used as loose fill insulation under the limecrete slab and an uncoated 0-20mm clay aggregate can be incorporated into the limecrete slab by mixing with natural hydraulic lime. The insulating clay aggregate is available in a range of particle sizes and the NHLs in a variety of strengths. We offer practical advice on floor design. Limecrete floors can also be used in conjunction with a modern insulation to conform to building regulations for new build or conversions if vapour permeability is not required.

The image to the left is an example of 100mm of loose lay coated clay insulation with a geotextile membrane separating the clay/NHL5 limecrete slab. This is topped off with an NHL5 bedding mortar and slate tiles. A wet underfloor heating system can be incorporated immediately above the limecrete slab if care is taken with fixings not to trap vapour or metal that might rust.

Some more recent installations have been a hybrid of a modern insulation and concrete with DPM as per building regulations with a limecrete around the perimeter. This might be used if the building foundations cannot take too much excavation.

For a technical sheet on clay aggregate based limecrete please click here
For a technical sheet on sand based limecrete please click here

LIGHTWEIGHT AGGREGATE
The Clay Aggregate has a wide number of uses in horticulture and the building industry; it even gets used in bee keeping. When used in the build up of a Limecrete floor, the coated clay insulation is free-draining and has negative capillary action, good load-bearing properties and good thermal qualities (k = 0.11 w/mk) it should be used under the slab and the uncoated clay aggregate is mixed with a binder to create an insulated and breathable slab.
Click here for technical sheet.

  50 litre bags Bulk bags
BAG PRICE WEIGHT guide only 1.2m3 Weight guide only 2m3 Weight guide only
Clay aggregate
20 - 0mm
£6.55 22 kg £81.38
570 kg
£135.63
750-950 kg
Clay aggregate
8-5mm
£6.55 22 kg £81.38
500 kg
£135.63
700-900 kg
Coated clay insulation
20 - 10mm
£6.78 22 kg £85.89
500 kg
£154.14
1000 kg

All prices are plus carriage, although the 50 litre bags are available ex-works. The weight varies due to the variation in moisture content.

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Technopor Perimeter 50 foam glass aggregate
Technopor foam glass insulation

Technorpor lightweight looselay insulation for limecrete and other applications

Technopor Perimeter 50 is a lightweight, breathable looselay aggregate made from recycled glass. It is used in the same way as the coated clay aggregate but differs as it is capable of being used as a load bearing hardcore and has better lambda value, so needs less depth for the same thermal performance.

Lambda thermal performance of around 0.08, this has about 20% better thermal performance than the clay aggregate.

Technopor loft insulation Technopor limecrete insulation Technopor flood protection Insulating a basement room with Technopor
Looselay loft insulation
Limecrete base with geotextile membrane
Dealing with flood prone buildings
Below ground uses

At just 1/10th the weight of gravel, Technopor foam glass is very lightweight, it is Fire resistant being in compliance with Euro class A1. Technopor is very stable and is load bearing with an exceptional compressive strength of approximately 500kN/m2.

The foam glass aggregate is around 30 - 50mm grain sizes and needs to be compacted by wacker plate if being used as flooring or foundations. You should allow up to 30% extra volume when calculating for a compacted application. If used as a loose lay in a loft or under a suspended floor, then no compaction is required.

Dumpy bags
1.5m3 Weight guide only
£160.00
250 kg
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Geotextile Membrane

This vapour permeable, geotextile membrane can be used for gardening or landscaping purposes. We supply it for use in a build up for a limecrete floor. It comes in a 4.5m roll so we cut it down into linear metre lengths as required for ease of carriage.

Width
PRICE per linear metre
4.5m
£2.50

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Natural Hydraulic Lime - NHL
If you are not sure which lime to use or how to mix it, lots of detailed information can be found at www.naturalhydrauliclime.net
Click here for much more general information on natural hydraulic lime, how and when to use it.

Natural Hydraulic Lime - Secil NHL
Secil started business in 1930 and has a huge contribution to the construction market in Portugal. Secil and Mike Wye & Associates have collaborated to provide these high quality Portuguese natural hydraulic limes to the UK.
We believe these will offer an excellent and cost effective option for those wanting to use powdered hydraulic limes in their work, particularly for the ever growing limecrete market where NHL5 is widely used. Secil NHL5 is fast setting and ideal for limecrete floors whether used with sand aggregates or insulating aggregate such as the clay aggregate shown above.
The NHL3.5 is ideally suited for bedding and pointing mortars. Secil NHLs have similar strengths to the French NHLs.

For NHL brochure (PDF format) click here For product sheet (PDF format) click here For Health and Safety Sheet (PDF format) click here

Natural hydraulic lime pointing
Natural hydraulic lime render
Natural Hydraulic lime repair
NHL2 NOW IN STOCK. The all new, high quality Secil NHL2.
Suitable for pointing inside, point soft brick or stone externally, plastering or bedding soft masonry.
NHL3.5 Click here for technical sheet.
Normally used as a pointing or bedding mortar when mixed with appropriate sands.
NHL5 Click here for technical sheet.
Normally used for flooring such as limecrete floors or for highly exposed situations such as chimney flaunching etc.

They are supplied in 25kg moisture resistant bags and due to our bulk purchasing power we can offer unbeatable prices.

Category
Unit
less than 40 bags
40 bag pallet
NHL2
25kg
£8.30
£8.10
NHL3.5
25kg
£7.90
£7.70
NHL5
25kg
£7.30
£7.00

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Natural Hydraulic Lime - Hanson-Castle NHL
We are Main Distributors for Castle Natural Hydraulic Limes, recently rebranded as Hanson lime. These powdered limes come in three grades - NHL 2 ( feebly), NHL 3.5 (moderately) and NHL5 (eminently) hydraulic. These quality NHLs are made in France and fully meet the requirements of BS EN 459:2001. Natural Hydraulic Limes are mixed with a suitable sand to make hydraulic lime mortars which set in the presence of water - hence the term hydraulic. These French hydraulic lime mortars are relatively quicker setting and have a higher final setting strength compared to the UK NHLs and therefore they are more suitable for exposed environments.

They are supplied in 25kg moisture resistant bags and due to our bulk purchasing power we can offer unbeatable prices.

For Technical Sheet (PDF format) click here For Health and Safety Sheet (PDF format) click here

Category
Unit
Less than 40 bags
40 bag pallet
56 bag pallet
NHL 2
25kg
£10.95
£10.75
£10.65
NHL 3.5
25kg
£10.95
£10.75
£10.65
NHL 5
25kg
£10.95
£10.75
£10.65
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Natural Hydraulic Lime - Singleton Birch NHL
These are supplied in 25kg moisture resistant bags. We are a supplier of the Singleton Birch range of NHL's complementing our existing range of quality NHL's. The Singleton Birch NHL3.5 and NHL5 is now the Portuguese Secil NHL powders re-bagged as Singleton Birch.

For Sand Specification (PDF format) click here For Health and Safety sheet (PDF format) click here

Category
Unit
40 bag pallet
NHL1
N/A
N/A
NHL 2
N/A
N/A
25kg
£8.10
25kg
£8.10

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ecoCORK insulating render/plaster

ecoCORK is a product formulated exclusively with Secil Natural Hydraulic Lime binder and free from all cementitious content. Mixed with a largely cork aggregate, this offers a lightweight, vapour permeable and environmentally friendly render or plaster.

Cork is well known for it's great thermal values and that it comes from a renewable source.

Secil ecoCORK brochure (in PDF format)
For technical sheet (in PDF format)
For application guidance notes for ecoCORK (in PDF format)

ecoCORK costs and thermal performance leaflet (in PDF format)

ecoCORK can be used for:

Renovation:
Stone (Rubble & Dressed Stone), Brick, Cob, Wichert, Clunch & Strawbale
New Build: Stone, Brick & Block

Advantages:

  • Cost effective compared to hemp or traditional lime mortars
  • Easy to apply, coats up to 40mm overall in a day
  • Ready to top coat in a matter of days
  • Good vapour permeability
  • Improves thermal performance of building being rated as T2 under EN998-1
  • Improves acoustic performance of building
  • 50% lighter than traditional lime mortars
  • Reduced CO2
  • Reduced consumption of non-renewable aggregates
  • High durability
  • Resistant to salts

The ecoCORK plastering system

Secil ecoCORK is suitable for internal or external plastering. It is applied on top of a specially formulated consolidating mortar, which is hand harled onto the wall to get a key.

After the consolidating mortar one or two coats of ecoCORK can be applied in thicknesses of 10-20mm per coat, giving up to 40mm thick plaster or render in total. The surface is floated after a few hours to prepare for the finishing coat. After letting the ecoCORK harden for a few days, a final coat of Secil finishing mortar is applied. This can be done in a single coat of approx. 3mm thick.

Whilst we recommend using the Secil finishing mortar externally as it offers maximum
compatibility and protection, internally the ecoCORK can be plastered with a wide range of materials including lime putty plasters and clay plasters. It can even be left as the finished surface and just painted.

 

Example u-values
Thermal performance of traditional buildings are notoriously difficult to calculate, be them made of cob, stone, wattle and daub or whatever. We have therefore provided some examples below of potential thermal performance and improvements, based on extremes of performance. The worse the performance of the original material, the better the improvement when Secil ecoCORK is added as can be seen from the tables below.

Although the thermal performance is not the only consideration when deciding on how comfortable a building will be to occupy, it is important for Building Regulations. The thermal performance therefore needs to be calculated as accurately as the available information allows and aim to achieve the necessary targets where possible.

Costs are approximately 20% more than it would be for a pre-mixed lime putty mortar in 1,000kg dumpy bags but about 35% less than the same mortar supplies in 21kg tubs.

Cob walls based on lambda value of 0.40
Existing structure
U-Value before
Secil ecoCORK inside
Secil ecoCORK outside
U-Value after
Improvement
600mm
0.579
~
20mm
0.525
10%
600mm
0.579
~
40mm
0.475
18%
600mm
0.579
20mm
40mm
0.438
24%

Cob walls based on lambda value of 0.80
Existing structure
U-Value before
Secil ecoCORK inside
Secil ecoCORK outside
U-Value after
Improvement
600mm
1.023
~
20mm
0.865
15%
600mm
1.023
~
40mm
0.738
28%
600mm
1.023
20mm
40mm
0.652
36%
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Secil Consolidation Mortar For technical sheet click here
CE MARK information:
REABILITA Cal Consolidação EN 998-1:2010 Mortar for render of general use (GP) for backing coats Declaration of performance TC.E.0985
Coverage - a 25kg bag will make up 16 litres of mortar when mixed with water to a suitable consistency for hand harling. This gives a coverage of 5.3m2 at an average thickness of 3mm. This is also used at a drier rate as a pre-mixed NHL bedding mortar.

Unit
Less than 42 bags
42 bag pallet
25kg
£6.50
£6.25


Secil ecoCORK technical sheet
click here
CE MARK information: Secil ecoCORK Lime EN 998-1:2010 Light weight mortar (LW) and of Thermal Insulation (T) for internal and external coatings. Declaration of performance TC.E.0988
Coverage - a 14kg bag will make up 20litres of mortar when mixed with water to a suitable consistency for trowelling. This gives a coverage of 1m2 at an average thickness of 20mm. Lambda value is 0.1 W/m.k making this perhaps 8 times more thermally efficient than traditional lime renders/plasters.

Unit
Less than 66bags
66 bag pallet
14kg
£8.60
£8.00


Secil Finishing Render For technical sheet click here
CE MARK information: REABILITA Cal Acabamento  EN 998-1:2010  mortar for renovation (R) for internal and external coatings  Declaration of performance TC.E.0987 
Coverage - a 25kg bag will make up 16 litres of mortar when mixed with water to a suitable consistency for trowelling. This gives a coverage of 5.3m2 at an average thickness of 3mm but can be applied at just 2mm if the float finish allows. This render is ideally decorated with SecilTEK AD25 primer and SecilTEK PR 01mineral paint.

Unit
Less than 42 bags
42 bag pallet
25kg
£11.30
£10.95

For reinforcing plasters and renders such as AdhereVit in the Secil cork system of plaster on to Pavadentro etc. Can also be used in the build-up of all other types of plaster and render if shrinkage or movement cracks are considered likely. The mesh can just be used across vulnerable joints but is intended to be used across the whole of the surface of the newly rendered wall. Use over junctions of differing substrates, electrical chases, corners of windows/doors, this is a very cost effective way of helping to prevent movement and shrinkage cracks. An excellent and cost effective way to produce a crack free finish for the best of finishes.

Choose the heavier weight mesh for coarser mortars such as 3/1, 3.5/1 or with ecoCORK
QUANTITY
50m x 1m Roll
m2 unit
160gm (4mm x 4mm mesh size)
£38.19
£1.50
60gm fine (2.5mm x 2.5mm mesh size)
£43.00
£1.72

ecoCORK is included in our Practical Lime Course please see the following link for more information: Click Here.
Please contact the office for full details on 01409-281644 or sales@mikewye.co.uk

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Limewash
Limewash display
We make and supply our own limewashes based on a 50/50 blend of our own superior matured lime putty and water, together with both natural and manufactured pigments to produce a fantastic range of colours. We follow a traditional recipe of adding a little raw linseed oil which improves external watershedding and consolidates the surface a little. We make a particularly less watery limewash compared to a number of suppliers as our many customers prefer to buy limewash rather than water.
Limewash colourchart

Our Limewash brochure extends our range to 54 fabulous colours at affordable prices, together with our traditional white.

We also provide a colour matching service for a fee of £20 + VAT. This is refundable on orders of over 100 litres. We provide 250ml sample jars of limewash for £1.00 plus postage, packing and VAT.

Coverage - 1 litre of limewash will cover 3 to 6 sq.m. for each coat, depending on the porosity and smoothness of the surface being limewashed. Four coats of limewash are recommended on new external renders and three coats on new internal plasters.

White
Other Colours
10 lt
£10.00
£11.00 - £17.00
20 lt
£15.00
£18.00 - £31.00

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White Peak finest Buxton Limewash Click here for technical sheet

White Peak's Finest Buxton limewash is a super fine suspension of calcium hydroxide in water. Limewash can be easily applied to various surfaces and is typically used to coat walls. The limewash provides a thin layer of protection. Buxton's Limewash is available in our regular range of colours as well as brilliant white. White Peak Finest Buxton Limewash is unquestionably the highest quality limewash and is continually meeting the expectations of the growing markets choosing to use traditional masonry materials and techniques in their building projects. Use White Peak on to surfaces that traditional limewash may have difficulty adhering to such as an NHL render.

Coverage - 1 litre of limewash will cover 3 to 6 sq.m. for each coat, depending on the porosity and smoothness of the surface being limewashed. Four coats of limewash are recommended on new external renders and three coats on new internal plasters.

White
Other Colours
10 lt
£18.70
£26.40
20 lt
£27.50
£38.50
1,000 lt IBC
£1,100.00
£1,524.60

Lime Paint Click here for technical sheet
A lime based paint by Kreidezeit that has extra ingredients that offers all the benefits of traditional limewash but can be used on a wider range of backgrounds such as concrete and some boards.

Coverage approx. 4.5m2 per litre for each coat for the Smooth Lime Paint. Allow 2 coats.

Size
White
1 lt
£4.20
5 lt
£18.00
10 lt
£34.50

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Clearway concentrate

An effective product for eliminating mould & algae from paths, patios, decking, walls masonry or fencing etc. Can be used to prepare a surface before decoration with limewash or other paints or render.

This product eliminates the need to power wash which can cause many problems with forcing moisture into the building or erode soft mortar.


This concentrate should be diluted with 9 parts water to 1 part Clearway.

Unit
White
Coverage
500 ml
£9.80
up to 80m2

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Argical M-1000 Technical Sheet and COSHH Sheet
A reactive pozzolan used to get an hydraulic set. Used to set lime putty mortars in damp conditions or for when a more rapid and harder set is required.

Examples of use: inside on inherently damp walls - outside render, pointing and bedding at any time but particularly late in the year.

SIZE
PRICE
10 lt
£5.20
25 kg bag
£13.40

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Cob Blocks and Cob Bricks

Cob Block Extruded
Click to view larger image

These are suitable for the repair and rebuilding of earth buildings.
Coverage - a cubic metre of wall rebuild will require 80 cob blocks 18" x 9" x 4"
Bedding mortar - a tonne of 4/1 lime mortar will bed around 160 cob blocks.

Cob block prices are based on customers using our lime products. Add 20p per block if purchased without lime products.

TYPE
NOMINAL SIZE
PALLETISED PRICE
collected from us
INDIVIDUAL PRICE
per block
Extruded cob block
17.5" x 8.5" x 4"
£1.85 in pallets of 50 or 60
£1.90

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Helifix bars

These are primarily used to tie cob block repairs in to mass cob walls. We would normally use 450mm lengths with half being hammered into the mass cob and the other half being laid. The longer lengths are generally used for repairing cracks.

Headed Skew fasteners can be used for brackets etc. into cob without using timber dowels first.

SIZE
PRICE
300mm x 8mm
£2.62
450mm x 8mm
£2.62
700mm x 8mm
£4.04
1000mm x 8mm
£5.85
Driver
£31.12
Headed skew fastener 150mm
99p
Headed skew fastener 250mm
£1.65

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Oak Lintels
We stock a wide range of 'green' and older stock oak lintels that have been air dried for up to 3 years. Standard sizes are 4" x3", 6" x 4", 8" x 5" and 12" x 5" in a variety of lengths up to 7ft. We can also supply green oak cut to your specific requirements.

Width(inches) x height(inches) x length(feet) divided by 144 x cost/cu ft gives you the cost of your lintel.

Example to work out the cost of a 6" x 4" x 8ft oak lintel:
Cubic ft of lintel = 6 x 4 x 8 = 192 divided by 144 = 1.33 cu.ft x £42 = £ 55.86 + VAT

QUANTITY
STANDARD PRICE
per cubic foot
£42.00

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Riven and Sawn Lath
Lath examples for lath and plaster ceilings and walls
Click for larger view

We stock over 100,000 feet of lath all ready for repairing or creating lath and plaster walls and ceilings. Riven lath is hand split along the grain and is less flexible than sawn lath and offers a coarser surface for lime plasters to adhere to, making it more suitable for ceiling repairs. The key to the riven surface is then an additional grip to that formed by squeezing the lime plaster through the gaps between the laths. Typical lengths stocked are 3ft and 4ft in riven lath with 4ft, and 8ft lengths in sawn lath although other lengths may be available at times. Lath prices are based on orders combined with our lime products.
Coverage: Allow 80ft per m2 for riven lath and 94ft per m2 for sawn lath plus any wastage if the joist centres are not spot on for the lengths available

Riven lath prices are based on customers using our lime products. Add 2p per foot if purchased without lime products.

 
RIVEN
SCOTCH PINE
RIVEN
OAK
RIVEN
CHESTNUT
THICK SAWN
OAK
SAWN
OAK
SAWN
LARCH
pence/foot
25p
28p
28p
15p
11p
7p


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Galvanised Lath Nails
We stock 30mm nails, there are approximately 1000 of the 30mm length per kg.

LENGTH
PRICE per kg
30 mm £8.00

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Hessian
Hessian sheeting helps to protect lime mortars from rain, sun and drying winds. In combination with tarpaulins they can also give frost protection. Please note that this is a high quality sheeting, not like some of the light weight or poor quality hessian that can be obtained.

WEIGHT
PRICE per metre
PRICE
per 50 metre roll
9 oz
£2.90
£65.00

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Pigments
We supply a wide range of bulk pigments, both natural and manufactured, suitable for colouring limewash. Natural pigments generally have less colouring power so you will need more pigment for a given limewash.


click here
Manufactured Pigment colours Natural Pigment colours
PRICE per 500gm
COLOUR
NATURAL
MANUFACTURED
yellow ochre
£8.00 K-802
£3.00 S49
marigold
£4.00 CB47
-
red ochre
£4.00 CBSF
£3.50 S216
raw sienna
£4.00 R660
-
burnt sienna
£4.00 V670
-
light brown
-
£3.00 R810
red brown
-
£3.00
raw umber
£4.00 R635
-
burnt umber
£4.00 R645
£3.00 Viaton B
olive green
-
£5.00 CB 2965
chrome oxide green
-
£6.00 G140
ultramarine blue
-
£12.00 Corn
Terracotta
-
£4.00 4400
black
-
£4.00 Duplox

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Plastering Hair

Horse / Cow Mixture
Click to view larger image
Straight Horse Hair
Click to view larger image
Straight Goats Hair - white
Click to view larger image
We supply a wide range of natural animal hair for teasing into lime mortars. They are added when lime putty and sand are mixed to make lime mortars for internal plastering and external rendering. The horse/cow mix is coarser and suitable for backing coats of lime render and lime plaster. Both the horse hair and goat hair are cut straight and bundled. The goat hair is white and very fine and can be used in final coat lime plasters if cut to shorter lengths. They are identically priced.

TYPE
PRICE per kg
Straight horse tail
£8.50
Straight Goat hair
£9.50
Curly Horse/Cow hair
£14.00

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Throseal Waterproofing Slurry etc.

Although, we would always suggest you need to try and allow the walls to breathe, it is sometimes necessary to seal the walls from the inside. A cement based waterproofing slurry is one way to achieve this. Waterproofing guidance leaflet

To keep walls as dry as possible, it's important that there are breathable external finishes to allow any rising moisture to wick away to the outside eg bare stone or brick or lime renders and a limewash or a mineral paint. Do not seal the inside of a wall that is effectively sealed on the outside.

A 25kg bag will cover up to 7m2 for a two-layer application.
WEIGHT
PRICE
Thoroseal Super - White 10% discount for 10+ bags
25 kg
£54.60
Thoroseal Super - Grey 10% discount for 10+ bags
25 kg
£54.60
Click here for Application Guidelines
Click here for Material Safety Data Sheet
   
Thoro Water Plug
5 kg tin
£40.64
Thoro Water Plug 25 kg tin £118.65
Click here for Application Guidelines
Click here for Material Safety Data Sheet
   
Acryl 60 (For use with Thorseal standard) 5 litre £51.03

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Building with Cob book
Building with Cob book

An excellent source of information for anybody that has an interest in cob. The book provides background information, maintenance guidance and even offers advice on building a clome bread oven for the garden.

Publication
Price (VAT not applicable)
Building with Cob Book
£25.00 £22.50

 

Period Property Manual by Haynes
The Period Property Manual by Haynes Publishing

As Haynes expand from there world famous vehicle maintenance guides, they are producing some equally excellent manuals on other subjects. The Period Property Manual has some great information in to help all but the most experienced conservator.

This book is highly recommended by us as a valuable aid to owning and working on a traditional property.

Publication
Introductory Price (VAT not applicable)
£21.99 £20.00

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The Victorian House Manual by Haynes Publishing
The Victorian House Manual by Haynes Publishing

Now on the second print, the Victorian House Manual is a great addition to the Period Property Manual for specific types of buildings.

This book is highly recommended by us as a valuable aid to owning and working on a traditional property.

Publication
Introductory Price (VAT not applicable)
£21.99 £20.00

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Old House Handbook More details

Old House Handbook by Roger Hunt & Marianne Suhr

 

 

Another great publication by Roger Hunt and Marianne Suhr written in association with the Society for the Protection of Ancient Buildings (SPAB).

The SPAB was founded by William Morris in 1877 to counteract the highly destructive 'restoration' of medieval buildings being practicised by many Victorian architects. Today it is the largest, oldest and most technically expert national pressure group fighting to save old buildings.

This book helps owners, builders and architects to follow the Morris philosophy with great images and guidance.

Publication
Price (VAT not applicable)
Old House Handbook
£25.00 £22.50

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Natural Finishes Book

Another excellent resource that shows a step by step guide on applying natural lime & earth based plasters, renders & paints.

The finishes are defined as natural because they have undergone minimal processing and contain no synthetic ingredients.

Publication
Price (VAT not applicable)
Natural Finishes Book
£20.00 £18.00

Tadelakt Book More details

An inspirational book for anybody contemplating using Tadelakt on a project. Packed with tips and 200 images to draw from. This is a rare and valuable resource, be sure to take advantage of it.

It also has the bonus of containing text in both English & German.

Publication
Price (VAT not applicable)
Tadelakt Book
£30.00 £28.50

The Whole House Book More details

 

FULLY REVISED AND UPDATED: The complete sustainable reference tool for architects, builders, self-builders and enthusiasts.

Description Second edition with fully revised content, 500 full colour illustrations and a wide selection of international case studies.

 

Publication
Price (VAT not applicable)
The Whole House Book
£35.00 £33.00

VAT at the current rate is applicable to prices unless otherwise stated.
We deliver next day throughout the UK. For European and overseas deliveries contact our sales office.

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