Heavy duty hurricane louvres with a double weatherstop
Osbournes Diffusers, Grilles and Louvres
 
WPL 100 Louvres
Weather resistant louvers with a double weatherstop

Free Area % (width 1.000 - 2.500)
Louvre Size Versus 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 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

 

Osbournes Ltd, Diffusers, Grilles and Louvres
Osbournes' ventilation solutions control condensation, humidity & mildew

Phone: +64 (9) 622 0650   Mobile: (027) 527 0069 Fax: +64 (9) 622 0651  
Email: Contact Osbournes   Enquiries: General Enquiry Form
Street Address: 112b Mays Rd, Onehunga, Auckland Mailing Address: 112b Mays Rd, Onehunga, Auckland 1061, New Zealand

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