Scissor Roof Truss

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.

Scissor roof truss.

With a few thoughtful modifications a scissors truss roof system can contribute to outstanding energy efficiency. Scissor trusses costs 15 to 30 more than a common truss. Of course that s not a given. Scissor styles are unique in that they only refer to the shape of the bottom chord.

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. In this story i ll show some tricks for squeezing better performance out of conventional old school scissors truss roofs. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Mono and vaulted mono trusses are only sloped in one direction.

Custom trusses up to 100 span. Up to 40 open framing for plumbing. By splitting the bottom chord and angling the two sections upward it creates a vaulted ceiling. They re particularly useful if the roof is constantly exposed to extreme weather variations or the house is located on an unstable soil bed.

Scissors trusses can be an example of that problem but they don t have to be. Shop roof trusses spacer floor truss. Compare 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.

A scissors truss is a really cool roof framing option. 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. Low pitch roofs such as 4 12 or less may not allow for half the slope of the top chord. The offset scissor truss has a bottom chord that is flat for a distance and then is vaulted up and back down.

Another term for vaulted is cathedral. The scissor truss is one of the most commonly recommended kinds of roof truss usually seen in residential spaces. 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. A scissor truss is a truss that has sloped bottom chords that create a sloping inverted v shape inside the room under the truss.