Steep Pitch Roof Trusses

The gambrel roof truss resembles the appearance of a barn roof.

Steep pitch roof trusses.

A 12 in 12 pitch is a steep 45 degree angle roof. See the image below for more explanation on rise run and pitch. The run or the base number is 12 inches. Gambrel trusses create a similar structure to what would be found in a stick frame barn structure with a steep pitch from the walls transitioning to a low pitch closer to the peak.

It can take various forms and often used for aesthetic purposes adding height and focal interest to the ceiling. Since it has steep sides there is sufficient room for a living space below the roof or can be used as a storage space in the attic. These two chords meet at the truss s apex. The rise will be the elevation change over the 12 inches.

It has two upper chords with one longer than the other. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. 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.

The steep pitch creates a tall truss that has a lot of room for webs or in many instances the opportunity for an attic space in the interior of the truss. Compare click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. A pitch truss with a sloping or non sloping vertical interior ceiling detail.