Description
STEICO Universal sarking and sheathing boards; environmentally friendly insulation made from natural wood fibres.
Wood fibre insulation board produced in accordance with EN 13171 and with ongoing quality supervision.
Wood for STEICO Universal comes from sustainable forestry and is independently certified by the FSC®.
Properties
- Ecological, produced without additional glues.
- Excellent heat protection in summer.
- Reduces thermal bridging.
- Can be used with air- injected insulation from 35 mm thick.
- For roof pitches ≥ 16°.
- May be left exposed for up to 4 weeks during construction.
- Sustainable and recyclable like natural wood.
Areas of Application
- Sarking board for roofs
- External walls in conjunction with a rain screen.
![]() |
![]() |
![]() |
![]() New Build Roof Pitched |
![]() Retrofit Roof Externally Fitted |
![]() |
Roofs with pitches between 16°-10° will require taped joints and usually a membrane is used.
Roofs with pitches shallower that 10° (e.g. flat roofs) will always require taped joints and a membrane.
Dimensions & Coverage
We hold substantial stocks of both 22mm and 35mm Universal boards in our UK warehouse.
Thickness [mm] | Edge Profile | Dimensions for coverage [mm] | Coverage / board [m²] | Total board size including T&G profile (mm) | Delivery requirements |
22 (Original size) | T&G | 2480 x 585 | 1.451 | 2500 x 600 | Offload required |
22 (New size coming soon) | T&G | 2205 x 575 | 1.296 | 2300 x 600 | Offload required |
35 (Original size) | T&G | 2475 x 575 | 1.423 | 2500 x 600 | Offload required |
T&G = Tongue & Groove
Technical Values
Fire class according to EN 13501-1 | E |
Declared thermal conductivity λD [W/ (m*K)] | 0.048 |
Water vapour diffusion resistance factor μ | 5 |
Specific heat capacity [J / (kg*K)] | 2100 |
Compressive strength [kPa] | 200 |
Tensile strength perpendicular to face ^ [kPa] | ≥ 30 |
Declared level of airflow resistance [(kPa*s)/ m²] | ≥ 100 |
We are a STEICO stock-holding distributor with full, dedicated warehousing for immediate dispatch. Contact our friendly and knowledgeable STEICO experts who can help guide you through every step of the process:
- Helping with design and specification.
- Calculating U-values and other parameters.
- Calculating the quantities of each product you’ll need.
- Quoting for direct delivery to site from our UK based STEICO warehouse of wood fibre insulation.
You can contact our friendly team by phone, by email or by completing the form found at the bottom of the page.
To view our full STEICO wood fibre insulation range click here.