How To Cut Gambrel Roof Trusses

Cut osb web pieces.

How to cut gambrel roof trusses. How to calculate the angle of a gambrel roof truss step 1. Determine a pitch for the top slope of the gambrel roof the rise in inches per foot from the midpoint. You must also use glue construction adh. Cut these strips into pieces 6in long.

Rip some osb into strips 12in wide and 8ft long. The gambrel spans 10 feet. Using this method it will take under an hour to cut all the 1x4 strips and gusset plates. Since the sum of the three angles in a gambrel roof is 180 degrees the angles you will need are as follows.

Cut the longest lines first then the short perpendiculars then the zigzags. How to build a gambrel style shed roof. Setting up the height of the truss. To cut them out cut along the lines with a circular saw in the same order you drew them.

As you finish cutting each zigzag line the gusset will fall off exposing the next line. Calculate gambrel angles with graph paper and a protractor. Take the number under the column of the center. 45 degrees where the joists meet up with the top plate or header and 90 where the joists meet in the middle at the ridge board.

Our example will be for a. Draw a semi circle on the graph paper mark a center. See table 3 for the truss count. How to build perfect barn style gambrel roof trusses calculate number of pieces to cut.

Finding the measurement for the mid line.