COVID 19 UPDATE: We're Open - SALES & TECHNICAL LINES OPEN. DELIVERIES AS NORMAL.
UK's Leading Provider Of Passive Fire Protection Products

Call 0333 043 0018
for Sales or Technical Enquiries

or you can email our sales support team on

Free Technical Support For Passive Fire Products

Free Technical Support

Fast free technical advice for products and projects.

Envirograf Fire & Acoustic Protection Gaskets for Metal Boxes

£1.56
excl tax

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.

Please Select An Option

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).

Related Products


Envirograf Fire Protection Gaskets for Metal Boxes

Lightweight and flexible, fire protection gaskets for metal boxes can accommodate wires and cables b...

£0.47+VAT
Envirograf Intumescent Downlighter Covers

Envirograf INTUMESCENT DOWNLIGHTER COVERS AND CAGES The ever growing use of down lighters within th...

£7.13+VAT
Envirograf Intumescent Fire and Smoke Stop Pillows

Envirograf true Intumescent fire and smoke stop pillows made from a hardwearing coated cloth pillow ...

£3.71+VAT
Envirograf Gaskets (Electrical Putty Pads) for Dry Lining Boxes

BESA or universal boxes must have intumescent gaskets fitted to stop fire penetrating. Furthermore, ...

£0.47+VAT
Envirograf Fire Protection for Air Con Units

A staple for most office buildings, air conditioning units become overheated when excessively used o...

£57.97+VAT
Envirograf Low Voltage Downlighter

Designed with ventilation to avoid light fittings overheating, thus providing effectual fire protect...

£18.24+VAT
Envirograf Intumescent Fire Cages

According to fire statistics, overheated light fittings and electrical faults are a leading cause o...

£11.71+VAT
Envirograf HW ULTRA WHITE Top Coat Intumescent Paint

Tested on a wide range of wooden doors, achieving 60 minutes integrity and either 30 or 60-minute fi...

£16.53+VAT
Envirograf Intumescent Letter Box Unit Range

An intumescent fire and smoke protection letter flap system. Consists of a frame with smoke protecti...

£17.25+VAT
Envirograf Surface mounted, brush smoke seals

Surface-mounted brush seals with self-adhesive backing tape, available in brown, black, white, or gr...

£0.62+VAT
Envirograf INTUMESCENT SLEEVE FOR PIPES

A foiled intumescent sleeve to go over plastic, UPVC, steel & copper pipes, plastic ventilation trun...

£6.22+VAT

Popular Categories

Fire Retardant Coatings
Passive Fire Protection for Electrical
FAQs | Privacy Policy | Returns Policy | Terms & Conditions
© 2020 Passive Fire Products LTD. All Rights Reserved.
Card Payments Powered By Stripe
Sea Dragon Web Design