Gasket Intumescent For 2 Gang Metal Backbox

Our Intumescent Gasket for 2 Gang Metal Backbox is a top-selling, innovative fire protection solution designed specifically for metal electrical boxes. Perfect for BESA or universal boxes where conduits pass through fire-rated walls and ceilings, these gaskets provide an essential barrier that prevents fire penetration. Ideal for installations where metal socket boxes are placed back-to-back or cables run through walls, this gasket expands under heat to seal gaps and protect your property. Lightweight, flexible, and easy to fit with self-adhesive backing, it ensures fire safety compliance and peace of mind.

Technical Specification

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• Lightweight and flexible intumescent fire protection gasket for metal boxes

• Compatible with most 2 gang socket boxes, trimmed to size for easy installation

• Self-adhesive backing for quick, secure application inside recessed metal backboxes

• Tested to BS476 Part 22 (1987), achieving 4 hours fire resistance in solid walls and 71 minutes in cavity walls

• Contains mineral wool fibre (20-70% by weight) for enhanced fire protection

• Designed to accommodate wires and cables with customizable holes cut as needed

Protect your home or commercial property with this high-quality intumescent gasket—engineered for durability and certified fire resistance.