The steep side usually faces north or north east.
North light roof truss design.
North light trusses are traditionally used for short spans in industrial workshop type buildings.
North light roof truss.
North light roof truss can cover up to 30 meters wide building.
3 the north light design you see this type of steel roof truss in the shape of a triangle.
Because of the steel pitch of the north facing slope the space inside the roof trusses of a north light roof is considerably greater than that of a symmetrical pitch roof of the same span.
This happens because it s cheaper to add a truss that has a wide larger set of lattice girders that include support trusses.
North light truss has a asymmetrical profile with a south facing slope at 17 or more to horizontal and the north facing slope at from 60 to vertical.
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The glazed panels are usually faced towards north to avoid the direct glare of the sun and are hence called north light roof trusses.
One of the oldest and economical methods of covering large areas is the north light and lattice girder.
In this type the steep sides of the trusses will be glazed.
This roof consists of a series of trusses fixed to girders.
That triangle has a foot a gently sloping long side and a very steep short side.
They allow maximum benefit to be gained from natural lighting by the use of glazing on the steeper pitch which generally faces north or north east to reduce solar gain.
The short vertical side of the truss is glazed so that when the roof is used in the northern hemisphere the glazed portion faces north for the best light.
For long spans and where more head room is required the crescent truss is adopted.