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Thermal Fire Cavity Barrier

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Thermal Fire Cavity Barrier comprising a flexible fire proof sponge 30mm deep, fixed to a thin foil faced intumescent strip. The system is completely moisture resistant.

The sponge rests inside the cavity and the foil overlaps both sides to the cavity

Provides 1 hour protection.

Sizes - cavity width (mm) x foil width (mm)

Length Options - 1000mm and 2000mm

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Product Info

The Envirograf Thermal Cavity Barrier is an ideal solution where both fire and thermal protection is required, particularly in cavities around window and door apertures.

The barrier is waterproof and completely moisture resistant and offers over 1 hour fire protection, as well as creating an effective thermal barrier between the cavity and window/door frame section.

For technical data please call us  01793 525 241.

Fire Testing

Tested to BS476 Part 20, achieving up to 66 minutes protection.


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