WPL100 Louvres Free Area % (width 1.000 - 2.500)

A heavy duty louvre with a double weather stop. This louvre can be used as a return or exhaust louvre. This louvre has been used extensively throughout New Zealand and is an industry favourite.

Louvre Size v.s. Free Area Percentage

Height	Width (1.000 - 2.500)
Height	1.000	1.200	1.250	1.500	1.750	2.000	2.250	2.500
0.200	16.6	16.8	16.8	16.9	17.0	17.1	17.1	17.2
0.300	25.0	25.2	25.3	25.5	25.6	25.7	25.7	25.8
0.400	29.2	29.5	29.5	29.7	29.9	30.0	30.1	30.1
0.500	31.7	32.0	32.1	32.3	32.4	32.6	32.7	32.7
0.600	34.2	34.5	34.6	34.8	35.0	35.1	35.2	35.3
0.700	36.6	37.0	37.0	37.3	37.5	37.6	37.7	37.8
0.800	38.5	38.8	38.9	39.2	39.3	39.5	39.6	39.7
0.900	39.9	40.3	40.3	40.6	40.8	41.0	41.1	41.2
1.000	41.0	41.4	41.5	41.8	42.0	42.1	42.2	42.3
1.100	42.0	42.3	42.4	42.7	42.9	43.1	43.2	43.3
1.200	42.0	42.4	42.5	42.8	43.0	43.1	43.3	43.4
1.300	42.0	42.4	42.5	42.8	43.0	43.1	43.2	43.3
1.400	42.0	42.4	42.4	42.7	43.0	43.1	43.2	43.3
1.500	42.0	42.4	42.4	42.7	42.9	43.1	43.2	43.3
1.600	42.0	42.3	42.4	42.7	42.9	43.1	43.2	43.3
1.700	42.2	42.6	42.7	43.0	43.2	43.4	43.5	43.6
1.800	42.8	43.1	43.2	43.5	43.7	43.9	44.0	44.1
1.900	43.2	43.6	43.7	44.0	44.2	44.3	44.5	44.6
2.000	43.6	44.0	44.1	44.4	44.6	44.8	44.9	45.0
2.500	44.0	44.4	44.65	44.8	45.0	45.2	45.3	45.4