WPL50 Louvres Free Area % (width 0.300 - 0.900)

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 (0.300 - 0.900)
Height	0.300	0.400	0.450	0.500	0.600	0.750	0.800	0.900
0.200	17.3	18.0	18.2	18.4	18.7	18.9	19.0	19.1
0.300	23.1	24.0	24.3	24.5	24.9	25.2	25.3	25.5
0.400	26.0	27.0	27.3	27.6	28.0	28.4	28.5	28.7
0.500	27.7	28.8	29.2	29.4	29.9	30.3	30.4	30.6
0.600	28.9	30.0	30.4	30.7	31.1	31.6	31.7	31.9
0.700	29.7	30.9	31.2	31.5	32.0	32.5	32.6	32.8
0.800	29.8	30.9	31.3	31.6	32.1	32.5	32.6	32.8
0.900	29.8	31.0	31.3	31.6	32.1	32.6	32.7	32.9
1.000	29.8	31.0	31.4	31.7	32.1	32.6	32.7	32.9
1.100	29.9	31.1	31.5	31.8	32.2	32.7	32.8	33.0
1.200	30.3	31.5	31.9	32.2	32.7	33.1	33.7	33.4
1.300	30.7	31.8	32.2	32.6	33.0	33.5	33.6	33.8
1.400	31.0	32.1	32.5	32.9	33.3	33.8	33.9	34.1
1.500	31.2	32.4	32.8	33.1	33.6	34.1	34.2	34.4
1.600	31.4	32.6	33.0	33.4	33.8	34.3	34.4	34.6
1.700	31.6	32.8	33.2	33.5	34.0	34.5	34.6	34.8
1.800	31.5	32.7	33.1	33.4	33.9	34.4	34.5	34.7
1.900	31.4	32.6	33.0	33.3	33.8	34.3	34.4	34.6
2.000	31.3	32.5	32.9	33.2	33.7	34.2	34.3	34.5
2.500	31.9	33.1	33.5	33.9	34.3	34.8	35.0	35.2