Measuring Gabled Roof

Roof pitch 6 12 6 of rise for every 12 of run.

Measuring gabled roof.

Take half the length of the gable wall and convert it to inches. L 30 feet h 12 feet 30 12 2 180 square feet. 12 12 144. Then calculate the pitch of the roof by placing a level against it angling the level so the bubble is centered and measuring the distance between the end of the level and the roof.

To measure a roof start by measuring the length and width of the building s exterior walls and multiplying them to get the area. Gable roof framing calculator plan diagram with full dimensions for a good straight fascia add an extra inch or 2 to the tails of all your rafters total length. Pitch measurement method 3. Finally measure the height from the ground to the top of the roof ridge the highest point on the gable.

Measure out horizontally 12 one foot from the gable end sloping trim to a point along horizontal siding or use your level to make a mark that is level horizontally measured out 12 from the sloped gable trim or roof edge. This distance is the roof s rise. Enter the width of the building. Using a metal measuring tape measure the distance horizontally across from mark to mark.

Calculating gable height knowing wall length and roof pitch. On a ladder at the gable end of your house place the level against the gable trim flat against the side of the house. Wall length 24. The length l times the height h of a triangle is twice its area a2.

Divide this amount by the run of the roof pitch. 1 roof square 100 square feet. Starting at the peak of your gable roof measure down 36 along each side of your gable and make a mark. The preview window displays a dimensioned side view of the gable roof.

To calculate a gable roof select gable from the roof type dropdown list or click on the corresponding button on the toolbar to calculate a gable roof. 144 12 12. Measure the height of the wall from ground level to the top of the eaves the point where the lowest part of the roof meets the top of the side walls. After they re up you can snap a line to mark and trim the tails in a nice straight line to make up for any ridge warp or marking cutting and fixing errors.

Now measure from the 12 inch mark of the level up to the bottom edge of the gable trim. Gable wall side feet inches enter the overhang of the eaves. Inches enter the pitch of the roof.