The BL090 Series extruded aluminium louvres compromise louvre blades inclined at 45° and mounted at 90mm centres within 99mm or 143mm deep frames. Galvanised steel bird screen supplied as standard. Frames can be flanged for surface mounting or knife edge/recessed type to give frameless appearance. Louvre sizes made to suit customer requirements
Recommended maximum. size for a single unit: upto 2000 x 2000. Larger sizes accommodated in multi-panel systems.
Nominal free area: 60% with bird mesh fitted
Maximum BSRIA weather test rating 2022 (simulated rainfall of 75mm/hr, wind speed of 13m/sec):
BL090-F143F 86.21% (class B) standard birdguard fitted
99.68% (class A) standard insect mesh fitted
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