Skip to main content

Intumescent Mastic

Ensure fire doors are fitted to standard with our intumescent mastic, which is an effective fire-retardant sealant.

Keep your home and family safe with our intumescent mastic, which helps prevent fire and smoke spreading through a building. The intumescent substance swells when exposed to heat. This seals the gaps within walls, floors and ceilings, giving peace of mind that your home is protected.

Product Code ITS0020

Product Details