Roof Pitch Framing Square

So if the pitch of your roof is 7 12 place one stair gauge on the vertical part of the framing square the tongue at the 7 inches 18 cm mark and place one stair gauge on the horizontal part of the framing square the body at the 12 inches 30 cm mark.

Roof pitch framing square.

This will give the framing square the angle you need to make the ridge cut. Aug 20 2020 explore john barber s board framing square on pinterest. Finding the pitch of a roof is simple with a speed square. Find the unit rise say inches per foot of the roof on the top line in the framing square rafter table e g.

A 6 inch rise per foot. More project and tips. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. Read this number along the inches scale at the top of the framing square.

Directly below the 6 inch mark on the framing square read the required rafter length 13 42 per foot of run for a 6 inch rise 6 in 12 roof. The triangle shaped square was invented in 1925 by albert swanson to provide a quick accurate method for marking rafters. Framing square basics how to use one. I go over a.

See more ideas about framing construction roof framing roof design. If your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width. Framing square guides are small inexpensive metal attachments to the framing square that are locked in position on the square s edges at the pitch and run dimensions to define the roof angle and make the repeated marking of the rafters much more efficient.