Scissor Roof Truss

Scissor trusses are a specific type of roof truss that is created when there is a difference in the pitch of the roof planes and a vaulted ceiling.

Scissor roof truss.

In this story i ll show some tricks for squeezing better performance out of conventional old school scissors truss roofs. With a few thoughtful modifications a scissors truss roof system can contribute to outstanding energy efficiency. The scissor truss is one of the most commonly recommended kinds of roof truss usually seen in residential spaces. Mono and vaulted mono trusses are only sloped in one direction.

Shop roof trusses spacer floor truss. A scissor truss is a truss that has sloped bottom chords that create a sloping inverted v shape inside the room under the truss. Up to 40 open framing for plumbing. Custom trusses up to 100 span.

The partial scissor truss is similar except that the bottom chord slopes up in one direction and then straight down while the remaining portion is flat. Of course that s not a given. Scissor trusses also known as cathedral trusses have a sloped bottom chord normally a scissor truss can be engineered with half as much slope on the bottom chord as the top chord. Specifically a roof truss is a triangular shape formed from lumber pieces that can be adjusted to specific shapes and dimensions in terms of both the roof and the ceiling.

Scissors trusses can be an example of that problem but they don t have to be. Compare click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. The offset scissor truss has a bottom chord that is flat for a distance and then is vaulted up and back down. By splitting the bottom chord and angling the two sections upward it creates a vaulted ceiling.

You not only get the speed of framing that you get with common trusses but also the added benefits of an interior sloped ceiling. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Roof trusses are used to enhance the stability of commercial and household roof structures. Low pitch roofs such as 4 12 or less may not allow for half the slope of the top chord.

Scissor trusses costs 15 to 30 more than a common truss. Add to list click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to your list. They re particularly useful if the roof is constantly exposed to extreme weather variations or the house is located on an unstable soil bed. Scissor styles are unique in that they only refer to the shape of the bottom chord.