Intumescent Mastic

Description

Intumescent Mastic with acoustic rating for interior or exterior use.

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Intumescent Mastic with acoustic rating for interior or exterior use.

Product Description:

A one part intumescent acrylic mastic for sealing gaps.

Product Uses:

for sealing gaps around fire doors, window frames and for sealing joints, voids and irregular holes in fire rated structures. 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 On:

• Block Wall, Concrete, Masonry and Plasterboard Partition.
• 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.
• around metallic pipes, cable trays, cable bunches, small, medium and large cables.