Sisalation FR 405 Reflective Foil Barrier

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Product Details

Sisalation® is a reinforced aluminium foil insulation material, made from a lamination of aluminium foil, Kraft paper, reinforced synthetic fibre and polyethylene. It is used in factories, warehouses, schools, hospitals and commercial and residential dwellings.

Sisalation® reduces heat gains in summer and contains heat losses in winter. The material also acts as a waterproofing membrane when used under roof tiles.

Sisalation® has a high light reflectivity. When installed in industrial building as an exposed internal roof lining, the reflectivity of the foil will enhance the lighting of the building.

Standard Authority

Tested by the SABS and NBRI for heat transmittance (‘U’ values) for thermal insulation, and by the SABS and Firelab for fire indices. Sisalation®, manufactured according to ISO 9001:2000 remains an industry leader and is the first reflective foil insulation product to be awarded the SABS mark of quality.

Product Range

  • Sisalation® FR430 - Fire retardant heavy industrial grade
  • Sisalation® FR405 – Fire retardant light industrial grade
  • Sisalation® 420 - Heavy  industrial grade
  • Sisalation® 405 - Multi-purpose grade

Roll size

1250mm x 40lm (50m²)

Effective coverage including 150mm overlap (44m2)

Roll mass

Grade FR430 - ±13.8kg; Grade FR405 – ±9.6kg; Grade 420 - ±15kg; Grade 405 - ±8,6kg.

Fire Classification

Sisalation® FR430 and FR405 has a fire classification of B/B1/2/H&V [with and without sprinklers] when tested in accordance with SANS 428: 2006 protocol.

Sisalation®420 and 405 has a class 1 fire rating when tested in accordance with SABS 0177 Part 3 and a P rating when tested against BS476 Part 5, 6 & 7

Physical Properties

A detailed technical brochure is available on request.

Chemical Properties

  • Resistance to alkalis is poor. Sisalation® must not be used in contact with wet concrete.
  • Resistance to copper is low, due to electrolytic action.


It is not recommended for extended outdoor exposure.

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