Intumescent Vents

Intumescent vents allow airflow during normal use but seal shut when exposed to heat, maintaining ventilation in fire doors or walls without compromising the fire compartment line. Browse our wide range of fire door grilles and air transfer grilles, with certified FD60 fire ratings to ensure compliance for HVAC installers and commercial joiners. Buy premium intumescent vents today and benefit from reliable fire protection, tested performance, and fast next-day delivery.