What is Intumescent Material and Why is it Used for Fire Doors?
So what is intumescent material? An intumescent material is one that expands when heated. It is a poor conductor of heat, therefore it is ideal for many fire-proofing applications, including doors. In doors these are special strips that are inserted into rebated grooves in the frame. When the fire causes the strip to expand, it … Continue reading What is Intumescent Material and Why is it Used for Fire Doors?
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