Non-Combustible Multi-Foil Insulation by SuperFOIL SFNC - 1.2m x 8.35m

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£272.08 Incl. VAT
£226.73 Ex. VAT
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Product Description

SuperFOIL SFNC is the only non combustible multifoil available. Certified by BRE, SFNC is not merely flame or fire retardant, it’s totally non combustible and has achieved an A1 rating which is the highest rating under the latest European Fire Classification system. You can be confident in situations where you need fire resistance and insulation that SuperFoil SFNC is the product to use.


Length: 8.35m.
Width: 1.2m.
Roll size: 10.02m2.
Thickness installed: 20mm.
Weight per roll: 30kg.
Thermal resistance - rValues: including air gaps.
For roofs: 1.54m2K/W.
For walls: 1.99m2K/W.
For floors: 3.46m2K/W.
Core rValue: 0.62m2K/W.
Thermal conductivity: 0.0318W/mk.
Layers: 3x layers.

It is advised that contact temperatures are no more than 575C.


Superfoil SFNC can be used in roofs, walls and floors. Using air gaps SFNC can achieve an rValue of 1.54 in pitch roofs and 1.99 in walls.

Duet installation - Superfoil can be user over and under rafter in a 'duet' format to achieve even higher performance.

Combi installation - Superofoil can be used with any other insulation including mineral wool or foam board to achieve the required insulation uValue - please call us on : 01752 692206 to discuss.


Over rafter: Roll out SFNC SuperFOIL over rafters. Staple at least 500mm or as conditions dictate and cover joints with SuperFOIL reinforced tape, overlap widths 75mm (min 50mm, max 100mm).

At the eaves cut SuperFOIL around the rafters and seal to cavity wall insulation or wall plate to create airtight envelope.

Fix battens parallel with the rafters and apply breathable roof underlay according to manufacture guidelines.

Fix roofing battens and tiles according to manufacturers guidelines.

Under rafter : Roll out SuperFOIL, starting along the top of the roof. Batten horizontally over rafters. Staple at least 500mm or as conditions dictate and cover joints with SuperFOIL reinforced tape, overlap widths 75mm (min 50mm, max 100mm).

At the bottom of the roof pitch, staple the SFNC SuperFOIL directly onto the timber wall plate to create airtight envelope. Fix battens across the rafters and ensure air gap between SuperFOIL and the plasterboard.



Width 1200mm Length 8350mm Thickness 20mm


Material Multifoil Coverage 10.02m2 Product Type Roll Application Internal Walls Facing Foil

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Questions & Answers


What tape should be used with SuperFOIL SFNC?


To maintain the tested fire rating of the SuperFOIL SFNC product, SuperFOIL Superior Tape should be used. SuperFOIL Superior Tape also provides high strength and enhanced adhesive which allows it to be used even in cold weather.


What size Staples do I need to fix SuperFOIL SFNC?


We recommend using a minimum 30mm staples for use with SuperFOIL SFNC. The staples should be adequate size to hold the SuperFOIL in place until your battens are fitted forming the permanent fixing.


What size Battens should I use with SuperFOIL SFNC?


Minimum of 25mm depth battens to allow the material to expand fully and maintain the required airspace for full thermal performance.

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Non-Combustible Multi-Foil Insulation by SuperFOIL SFNC - 1.2m x 8.35m

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