Dimensions : L.420 x H.420 x D.20 mm
Comes in brilliant white as standard.
This intumescent grille can be installed with an SHX pressure vent to achieve a 60-minute insulation value. Free vent area of the grille has been blast tested to show no loss of pressure relief when along with a SHX vent.
The Dynamic Weather Louvre complements the SHX universal pressure relief vents offering superior wind and weather protection without restricting the internal vents Free Vent Area. DWL offer 98% wind seal, improved sound reduction and improved thermal rating compared to fixed louvres.
Free vent area : 0.076 m^2
Fire rating : 240 min
Min. wall thickness :
