External Louvres & Pressure Relief Flaps

Fixed blade louvre

Mill finish, aluminium as standard, colour finish available on request.

Recessed units, special fixings available.
40mm Blade pitch

Type S B L louvre with bird mesh
Type S B L D louvre with damper
S B L P R louvre with bird mesh and pressure relief flaps
followed by width X height

All aluminium construction, nylon bearings, blades with sealing gaskets, anodised frame mill aluminium blades.
Plain flange as standard, flange holes on request.

PRF5 Blades opening inwards
PRF10 Blades opening outwards
Followed by width X height.
Can be fitted behind louvres as type SBLPR