Intumescent Cavity Barrier are high expansion intumescent cavity barriers for location within 50mm wide ventilated voids.
Suitable for installation against timber substrates for both vertical and horizontal orientation
Designed for installation within rainscreen / timber frame cavities, accommodating a maximum void of 50mm and
providing a 44mm clear ventilated void with a simple installation process.
The horizontal closer will provide between 30–60 minutes fire resistance performance when installed against a timber substrate.