Lorient’s intumescent air transfer grilles provide reliable fire‑rated airflow control for doors, walls and ducts, combining a 40mm PVC‑slat design with an intumescent core that expands in a fire to maintain compartmentation. Offering around 60% free area for efficient, low‑noise ventilation, these grilles are Certifire‑approved (CF564) and tested to BS 476‑20/22 and BS EN 1634‑1 standards, making them a dependable choice for commercial and residential fire‑protection systems.
 
AVAILABLE TO VARIOUS STANDARDS SIZES
 
Lorient's high-performance, standard vision intumescent air transfer grilles are suitable for doors, walls and ducts. They provide excellent airflow characteristics which result in silent efficient operation during normal use.
 
Features & Benefits
PVC slats with an intumescent core
40mm thick
Approx 60% free area
 
Please note:
Select the size which relates to the opening size   
Air Transfer Grilles are oversized to cover the opening
Please order the same size Cover Plate as the Intumescent Air Transfer Grille
For bespoke sizes or large quantities, please message us directly for a'bet price' quote
 
Areas of Application
Suitable for doors, walls and ducts.
Not suitable for use in applications where high levels of humidity or wetness are anticipated.
 
Fire Rating
BS 476-20/22:1987, BS EN 1634-1:2014 & BS EN 1364-5:2017
 
Certifire Certificate
CF564