Roof hood Dimensions lindab | roof hoods HRR B Δ p t [Pa] 3 4 5 7 9 H A Description Rectangular roof hood intended for outdoor air and extract air. HRR is designed for positioning above the outer roof on the roof through connection. The air runs both on the top- and downside of the hood. This is valid both for outdoor and extract air. The hood is free-draining downwards. Can also be supplied with a pest-proof mesh. HRR is manufactured as standard from galvanised steel sheet Z275, but is also available in aluminium zinc AZ 185, stainless steel sheet 1.4301, stainless acid-resistant steel sheet 1.4404 or painted. Sizes 7 and 9 are supplied with four twistable lifting and anchoring wire-loops. An individual anchoring eyelet must not be subjected to forces in excess of 1 500 N. Size 3 4 5 7 9 A mm 400 500 600 800 1000 B mm 450 550 750 1050 1350 Free H area mm m² 150 0,045 205 0,100 300 0,260 450 0,500 575 0,720 Roof through connection TGR 50 100 m mm mm kg Size 5,00 3 3 7,80 4 4 11,9 5 5 27,2 7 7 48,4 9 9 Technical data 1000 100 Ordering example Product Size HRR 3 Specify separately if the hood is to be supplied with a pest- proof mesh from the factory. Standard colours, see page 3. 10 10 100 100 1 000 q 1 000 10 000 10 000 [l/s] [m³/h] We reserve the right to make changes without prior notice 19
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