All ISL products have been successfully tested in accordance with BS 476.

Please contact our Technical Department for details on specific products.

The following products are also Certifire Approved
(Approval Number CF 203)

Therm-A-Stop 10 x 4mm, 15 x 4mm, 20 x 4mm & 25 x 4mm
Therm-A-Seal 10 x 4mm, 15 x 4mm, 20 x 4mm & 25 x 4mm
Therm-A-Smoke 10 x 3mm (smoke only)
Therm-A-Flex 10 x 2mm, 15 x 2mm, 20 x 2mm & 25 x 2mm