Width: 150 mm
Length: 150, 300 mm
Fire-rated intumescent louvers have been developped to allow air flow through the door. Those louvers have been manufactured with intumescent material, that expands at 85 ºC, sealing gaps and provinding an effective barrier against fire, ...
Width: 92 mm
Length: 460 mm
Outer dimensions 460 x 92mm, air vent 165cm2, for door thickness from 30 - 42mm, aperture 436 x 76mm, made of polystyrol, available in NORMBAU colour white, minimum quantity 20 pairs. Supplied with screws for door thickness 40mm.
Width: 185, 220 mm
Length: 500 mm
... to fit your requirements for open area percentage of ventilation, span, or design. Traditional metal ventilation grilles are typically highly functional but non-decorative. We design our ventilation ...
Custom Oblio vent cover, 24″ Sq., arrayed to 12′ Sq. Project: Mission St. BART Station, San Francisco, CA.
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