GRAY MATTER / MATERIALS & SOLUTIONS

Ventilation & cavity barriers

Fire protection grilles and barriers for ventilation openings and building cavities.

5

GFR-CB

A narrow graphite core preserves ventilation space in normal use and expands on heating to assist cavity closure.

VENTIL V / VC

Available in modular and metal framed forms for ventilation openings within fire protection assemblies.

VENTIL-VM

Grey expanding core with a metal mesh cover for ventilation openings requiring heat activated closure.

GFR-CB-MW

Combines mineral wool and intumescent material, 75 mm high and 1000 mm long, with width selected for the cavity.

VENTIL-G

Pre-slotted pale beige strips interlock to form a grille arranged to suit the ventilation opening.