SuperFOIL SFTV is the ultimate all-round building membrane for roofs, walls and floors. Water & vapour proof SFTV is also a foil radiant barrier that will reduce solar gain in summer and improve insulation in winter.

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

Product Dimensions:

Thickness - 1mm
Length - 25/50m
Width - 1.5m
Coverage - 37.5/75sqm
Weight - 4.8/10.7kg

Key Features:

SFTV is waterproof and resists the passage of moisture through walls, floors and ceilings.
Installing SFTV improves the airtightness of the building.
SFTV is a radiant barrier it can be used to enhance thermal performance U-values in both new build and renovation projects.
SFTV is vapour proof and restricts the passage of warm moist air from within the building from permeating into the structure or the roof.
SFTV is suitable for roof and wall applications.
SFTV helps to prevent mould and damp.
SFTV reduces both convective and radiant heat loss

Additional Information:

Water Vapour Resistance - 1200MNs/g
Resistance to water penetration - W1
Flexibility at low temp - -40c
Tensile Properties - Length (After Ageing) 238/227 N/50mm
Tensile Properties - Width (After Ageing) 111/100 N/50mm

Thermal Performance:

Core - N/A
Roof (inc. air spaces) - 0.95 R Value
Wall (inc. air spaces) - 1.42 R Value
Floor (inc. air spaces) - 2.80 R Value
Emittance - 0.03

Fire Performance:

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