Sloping Flat Steel Roof Truss

Metal plate connected wood trusses hib 91 by permission of truss plate institute inc.

Sloping flat steel roof truss.

Easily add a slope to the truss profile. Flat roof truss design is used in intermediate flat structures because its spans are not of a much higher range. Continue reading below our video of the day. Select an angle of slope away from a house into an area with good drainage and complementary to an existing house or other building.

The more complex the truss framework is the greater quantity of these joints will be required. In order to make this correctly you will have to work out exactly what you need to do with your truss in order to create a flat roof. Sloping flat trusses are typically supported by a ridge beam or girder truss at the roof peak and have sloping flat trusses on both sides to create wide open span spaces in public venues like riding arenas and churches. No need to provide built up roof for drainage.

Sloping flat trusses are used almost like a joist in settings where the interior ceiling pitch is desired to be the same as the roof pitch. Roof floor truss manual 7 31 08 10 43 am page 12. A mono truss is a one sloped truss that forms a right angle triangle. Pre welded clips on 2 centers for wood or steel secondary framing.

Most economical when the difference in slope between the top and bottom chords is at least 3 12 or the bottom chord pitch is no more than half the top chord pitch. A flat roof truss is also known simply as a flat truss and is not completely flat but rather slightly sloped in order to allow water to run off of the roof. Trusses slope for drainage as required cantilever span controlled by lumber size grade and. The same thing is true for the bridge of the truss.

These structures generally have a flat roof structure because they are already at a high height. Perfect for use in lieu of bar joist or can be an excellent non combustible option when compared to wood floor trusses. Measure the outline of the structure to be roofed with a tape measure or get dimensions from a house plan. These steel joints are needed to support the overall truss.

Flat the most economical flat truss for a roof is provided when the depth of the truss in inches is approximately equal to 7 of the span in inches. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. It s often used for sheds garages or extension of an existing roof. They are used in construction of roofs of fairly large objects such as shopping malls logistical parks and warehouses.

Options to set the roof girders on wood post or concrete wall also available. A sl series truss is a single slope truss that includes steel girders and steel columns with clear span widths from 10 through 80 with available eave heights of 8 through 20.