Airtight ISOAFS-ALU is produced from multi-layer aluminium and polyester, strengthened with high tension hard steel spring wire, surrounded with glass wool insulation and an aluminium vapour barrier.
The fire resistance of ISOAFS-ALU has been tested and certified by various international bodies.
The dimensions, tolerances and mechanical resistance of ISOAFS-ALU are tested, classified & certified according to EN 13180 standard.