Exhaust Louvres
Osborne-Hume Grilles & Louvres

Return Home
Contact Details
Product Introduction
Cad Files, Detail Drawings
Colour Options

Louvre Models
Model WPL 100 Louvres
Model WPL 100 Closeabl Louvrese
Model WPL 100 Vertical Louvres
Model WPL 80 Louvres
WPL 50 Louvres
EXH 100 Exhaust Louvres
Water Penetration Table
Water Diverting Hoppers
Egg Crates
No Vision Door Grilles
Wall Grilles
Sun Louvres
Exhaust 100
Exhaust Louvres

Free Area % Charts (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 28.4 28.6 28.7 28.9 29.0 29.1 29.2 29.3
0.300 40.9 41.2 41.3 41.6 41.8 41.9 42.0 42.1
0.400 44.5 44.9 45.0 45.3 45.5 45.7 45.8 45.9
0.500 49.0 49.5 49.5 49.9 50.1 50.3 50.5 50.6
0.600 49.9 50.4 50.4 50.8 51.1 51.2 51.4 51.5
0.700 52.5 53.0 53.1 53.4 53.7 53.9 54.1 54.2
0.800 52.6 53.1 53.2 53.5 53.8 54.0 54.2 54.3
0.900 54.5 54.9 55.0 55.4 55.7 55.9 56.1 56.2
1.000 54.2 54.7 54.8 55.2 55.5 55.7 55.8 55.9
1.100 55.7 56.2 56.3 56.7 57.0 57.2 57.3 57.5
1.200 55.3 55.8 55.9 56.3 56.6 56.8 56.9 57.1
1.300 56.6 57.1 57.2 57.6 57.8 58.1 58.2 58.3
1.400 56.1 56.6 56.7 57.1 57.3 57.6 57.7 57.9
1.500 57.2 57.7 57.8 58.2 58.4 58.7 58.8 59.0
1.600 56.7 57.2 57.3 57.7 57.9 58.2 58.3 58.4
1.700 57.6 58.1 58.2 58.6 58.9 59.1 59.3 59.4
1.800 57.1 57.6 57.7 58.1 58.4 58.6 58.8 58.9
1.900 57.9 58.4 58.5 58.9 59.2 59.4 59.6 59.7
2.000 57.5 58.0 58.1 58.5 58.8 59.0 59.1 59.3
2.500 58.6 59.1 59.2 59.6 59.9 60.1 60.3 60.4

 
 
Ventilation Solutions from Osborne-Hume Grilles & Louvres Ltd
Control Condensation, Humidity & Mildew

Phone:
+64 (9) 527 4425
Fax:
+64 (9) 527 4426
Email:
 Email Address
Enquiries:
General Enquiry Form
Address:
29a Hannigan Drive, St Johns, Auckland 1072, New Zealand

Full Product List - Product Introduction - Colour Options - Enquiries / Email - Top - Home