SuperFOIL SF40BB is a high performance multifoil insulation offering a fully breathable solution, tested to the highest standards and fully certified for use in the UK.

Made of multiple layers of radiant barrier foil, SuperFOIL prevents against heat loss and, when installed as a continuous layer, will provide an air and vapour barrier.

Manufactured from 40% recycled materials into 19 layers, SuperFOIL SF40BB is a sustainable product made up of reflective coated breather membrane, perforated aluminium coated reflective foil, perforated reinforced heavy outer reflective foil and 8 layers of 80g/sqm loft quilt.

If you are looking to buy SuperFOIL SF40BB by Boulder Developments, Your can purchase with confidence through Online Insulation, knowing that your order is very important to us.
Product Specification:

• Length: 10m
• Width: 1.5m
• Thickness: 75mm
• Coverage: 15sqm
• Roll Weight: 17.5kg
• Roof R-Value: 3.67
• Wall R-Value: 3.98

Key Features:

SF40BB has a certified R value of R3.67 in a roof & R3.98 in a wall.
Acts as a breathable membrane and insulation in one.
Helps to prevent the formation of mould and damp by reducing the risk of condensation.
W1 watertight means SF40BB can be used in both roofs & walls.
SuperFOIL can be used on its own, in a multiple layers or with any other form of insulation to achieve any U-value
Ideal for use in walls and roof structures in new builds and in renovation, refurbishment / extension project.
Easily fit with minimal wastage and manufactured with 40% recycled materials.

Additional Information:

Water Vapour Resistance - 0.115MNs/g
Water Vapour Transmission - 0.023Sd
Resistance to water penetration - W1
Flexibility at low temp. - -40c
Tensile Strength - 194 N/50mm

Fire Performance:

Reaction to Fire (Euroclass) - Class D (behind plasterboard)

&feature=emb_title