GRAY MATTER / MATERIALS & SOLUTIONS

Penetration firestop components

Collars, wraps and firestop components for pipe and cable penetrations.

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GM-CW

An expanding mesh material that can be arranged and cut to suit openings requiring normal ventilation.

BYZHI-CB

A cable firestop box range based on sodium silicate intumescent material, with multiple configurations and accessories.

GM-CC

A metal casing with preformed polyurethane foam core for cable penetration firestop assemblies.

GM-FW

A 10000 mm roll of expanding strip in 25 or 45 mm widths for cutting to length on site.

GM-FW-S

Pre-cut wrap strips with an adhesive fixing area, selected according to pipe size and assembly.

GM-PC

A metal casing and expanding core, offered in the 50, 63, 90, 110 and 160 size series.

GM-FW-R

A mechanical retaining accessory for firestop wraps, approximately 25 or 44 mm wide in 7620 mm rolls.

GM-PC-L

Galvanised steel casing and expanding core for nominal pipe size conversions of approximately 203 or 254 mm.

GM-GV

Installed inside the valve to expand on heating and assist fire closure. Inner diameter, outer diameter and thickness are made to drawing.