Sloping Flat Roof Truss Details

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.

Sloping flat roof truss details.

There are different flat trusses depending upon the thickness width and layout of the internal webbing. Main general info why trusses roof truss floor truss bracing job site photos plant photos about us contact info online quote. The framing system for shed roofs is straightforward and similar to that of flat roofs. Attic truss roof design is intended to provide a solution for additional living area within the roof space.

Use prefabricated mono trusses for the easiest and best framing on a single slope roof. Joint details roof floor truss manual 7 31 08 10 43 am page 11. 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. We build and design engineered roof and floor trusses.

It can take various forms and often used for aesthetic purposes adding height and focal interest to the ceiling. This type of truss is perfect for the dining room living room great room and kitchen. Trusses slope for drainage as required cantilever span controlled by lumber size grade and. Flat truss with cantilever pratt configuration top chord bearing flat truss pratt configuration fl att rus w e nc of ig s l op i ngp are ch ds h w f u t sloping top chord howe configuration floor truss system 42 modified warren configuration mono trusses scissors mono mono parts of a truss framed roof gable end valley set gi rde.

The run or the base number is 12 inches. 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. Polynesian duo pitch double scissor polynesian. Roof slope and the roof load that which kind of truss shall be suitable.

Select an angle of slope away from a house into an area with good drainage and complementary to an existing house or other building. If you want to build a flat roof then you will need to build a flat roof truss these are designed to span the space between two load bearing walls and take the weight from the roof onto these walls. Hip truss step down. For example a slope of 6 12 means for every 12 inches of horizontal distance the slope of the roof will rise 6 inches vertically.

Pitch slope the pitch or slope is the incline of the roof expressed as a fraction describing the rise over the run. The rise will be the elevation change over the 12 inches. Roof floor truss manual 7 31 08 10 43 am page 12. Because the roof slope is steeper than for flat roofs it makes much more sense to slope the roof framing in this case to follow the roof pitch.

A pitch truss with a sloping or non sloping vertical interior ceiling detail. It depends upon the selected truss span. Measure the outline of the structure to be roofed with a tape measure or get dimensions from a house plan. Double sloping flat truss.