Osbournes Grilles, Diffusers & Louvres
 

WPL50 Louvres   Free Area % (width 1.000 - 2.500)

A weather resistant louvre ideal for commercial and residential ventilation applications. Also used in commercial window and door joinery. The WPL50 Louvre comes in a channel or a flange frame option, with birdmesh fitted to rear as standard.

Louvre Size v.s. Free Area Percentage

Height Width (1.000 - 2.500)
1.000 1.200 1.250 1.500 1.750 2.000 2.250 2.500
0.200 19.2 19.3 19.4 19.5 19.5 19.6 19.6 19.7
0.300 25.6 25.8 25.8 26.0 26.1 26.1 26.2 26.2
0.400 28.8 29.0 29.0 29.2 29.3 29.4 29.5 29.5
0.500 30.7 30.9 31.0 31.1 31.3 31.4 31.4 31.5
0.600 32.0 32.2 32.3 32.4 32.6 32.7 32.7 32.8
0.700 32.9 33.1 33.2 33.4 33.5 33.6 33.7 33.7
0.800 33.0 33.2 33.3 33.4 33.6 33.7 33.8 33.8
0.900 33.0 33.2 33.3 33.5 33.6 33.7 33.8 33.8
1.000 33.0 33.3 33.3 33.5 33.6 33.7 33.8 33.9
1.100 33.2 33.4 33.4 33.6 33.8 33.9 33.9 34.0
1.200 33.6 33.8 33.9 34.1 34.2 34.3 34.4 34.4
1.300 34.0 34.2 34.3 34.4 34.6 34.7 34.8 34.8
1.400 34.3 34.5 34.6 34.8 34.9 35.0 35.1 35.1
1.500 34.6 34.8 34.8 35.0 35.2 35.3 35.4 35.4
1.600 34.8 35.0 35.1 35.3 35.4 35.5 35.6 35.7
1.700 35.0 35.2 35.2 35.4 35.6 35.7 35.8 35.8
1.800 34.9 35.1 35.1 35.3 35.5 35.6 35.7 35.7
1.900 34.8 35.0 35.1 35.3 35.4 35.5 35.6 35.6
2.000 34.7 34.9 35.0 35.2 35.3 35.4 35.5 35.6
2.500 35.3 35.6 35.6 35.8 36.0 36.1 36.1 36.2