Non-flammable, non-fibrous, compressible foil clad intumescent and sponge blocks that can be fitted around PVC pipes, cables, and steel services in walls or floors. They can be easily removed for maintenance or service.
Suitable for use in computer rooms, sterile and clean areas.
50mm thick blocks are 1 hour rated, 100mm blocks are 2 hour rated
Size - width x thickness
Envirograf Product 3