Supaloft Recycled Insulation: Thermafleece

Thermafleece Supaloft
Supaloft Green RollBBA

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Supaloft by Thermafleece is an itch-free sustainable insulation quilt manufactured from recycled plastic bottles.

Supaloft offers a safe, sustainable and cost effective way to insulate your loft. It contains 100% recycled polyester and is made almost entirely from recycled plastic bottles. It contains no harmful chemicals or binders and is completely safe to handle.

Supaloft is long-lasting and safe to handle. What’s more, energy savings mean the insulation pays for itself in a just a few years. It can be used to insulate between and over rafters or simply laid on to of existing insulation to improve overall insulation performance.

Key Facts

  • Width (mm) – 370, 570
  • Thickness (mm) – 100 & 150 , 140
  • Thermal conductivity – 0.040 W/mK
  • Vapour open
  • Made in the UK
  • >95% recycled content
  • Manufactured to ISO 9001 & 14001
  • Can be recycled


  • Roofs
  • Loft
  • Floors
  • All levels
  • Other – can be used in walls and between rafters
  • Acoustic – Walls, floors & roofs

Why Insulate with Supaloft?

  1. Insulating: a property will significantly reduce the amount of energy lost from the building envelope, reducing energy consumption and carbon dioxide released to the atmosphere.
  2. Affordable: Insulating with Supaloft is a very cost effective alternative to glass or other mineral insulation. What’s more, the energy it saves means Supaloft quickly pays for itself.
  3. Long Lasting: Supaloft contains a lofting agent to maintain durability and is designed to last the life of the building in which it is installed.
  4. Quality Assured: manufactured and supplied in accordance with ISO 9001 quality and ISO 14001 environmental management systems.
  5. Sustainable: – can reduce CO2 emissions by many tonnes over the lifetime of use. What’s more, it is made from recycled plastic bottles and has a recycled content of more than 95%.
  6. Vapour Open:  an open non-woven material that allows water vapour to pass through the insulation.
  7. Safe: Supaloft is safe to handle and can be recycled or safely disposed of at the end of its life.


  • Performance: Thermal Conductivity: 0.040 Wm-1K-1
  • Density: 13 kgm-3
  • Water Absorption: (@100% RH): 0% w/w
  • Specific Heat Capacity: 1000 Jkg-1K-1
  • Vapour Resistivity: 5 MN·s·g–1m–1
  • Ignition Point: >500oC
  • Flammability to BS 5803-4: Pass
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Size (mm)
100 x 370
100 x 570
150 x 370
150 x 570