Thermoguard Intumescent Mastic 300ml

Product Description

Thermoguard Intumescent Mastic is an easy to apply, intumescent sealant that provides a 5 hour fire barrier and also excellent sound reduction properties. With permanently flexible and excellent slump resistance, it is ideal for sealing gaps around fire doors, window frames. Also good for sealing joints, voids and irregular holes in fire rated structures.

Thermoguard Intumescent Mastic is a one part intumescent acrylic mastic, the sealant forms a char, preventing the passage of fire and smoke, when exposed to the heat of a fire. Maintains fire integrity when sealing around pipes and cables that penetrate walls. Suitable for flexible walls, rigid walls & floors.

Tested:

• Block Wall, Concrete, Masonry and Plasterboard Partition
• In Linear Joints up to 50mm wide tested in large service openings up to 490 x 150mm
• For sealing of linear joints in concrete floors, masonry walls and plasterboard including head of wall details
• And around metallic pipes, cable trays, cable bunches, small, medium and large cabl