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Envirograf Fire & Acoustic Protection Gaskets for Metal Boxes

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Innovative intumescent fire-rated acoustic gaskets for metal boxes. Electrical protection gaskets for BESA or universal boxes, where conduits pass through fire-rated ceilings and walls.

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Product Description

BESA or universal boxes must have intumescent gaskets fitted to stop fire penetrating. Furthermore, metal socket boxes must have gaskets installed where they’re back-to-back. This also includes if cables pass through walls. Our extensive range of expanding intumescent gaskets and linings are ideal for a wide range of standard electrical boxes.

Lightweight and flexible, fire-rated acoustic gaskets for metal boxes can accommodate wires and cables by cutting holes where required. Trimmed to size to fit most socket boxes, with self-adhesive backing for easy application.

Intumescent gasket which adheres inside recessed metal boxes housing electrical wires. Suitable for either single or double socket boxes placed in brickwork, blockwork or plasterboard walls. A non-acoustic version of this gasket is also available.

Tested to BS476 Part 22 (1987) and achieved 4 hours in solid walls and 71 minutes in cavity walls.

Our electrical and plumbing products meet IET wiring regulations as well as Document B & E of Building Regulationstested to European and British Standards. Browse our full range of electrical and plumbing products.

Product Performance

Gaskets tested to BS476 Parts 20 & 22, achieving up to 4 hours fire protection in metal boxes.

Gaskets tested to EN1365-2 (1999), NEN6069 (2005), and EN1364-1 (1999), achieving up to 84 minutes protection in plastic boxes.

Acoustic fire and sound trap linings tested to BS476 Part 22 (1987), achieving 4 hours protection in solid walls and 71 minutes in cavity walls.

Acoustic criteria tested to BS476, Parts 20/22, EN 1364-1 (1999) & EN 1365-2 (1999).

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