Roof Pitch Framing Square

Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy.

Roof pitch framing square.

Because of its compact size it is frequently used as a saw guide when cutting framing members as well as a layout tool for quick 45 and 90 degree cuts. The triangle shaped square was invented in 1925 by albert swanson to provide a quick accurate method for marking rafters. More project and tips. I go over a.

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. Square guides are available at most hardware and home improvement centers. This will give the framing square the angle you need to make the ridge cut. Read this number along the inches scale at the top of the framing square.

Find the unit rise say inches per foot of the roof on the top line in the framing square rafter table e g. Framing square basics how to use one. The standard two foot framing square also referred to as a carpenter s square and historically as a steel square is an l shaped tool that is used to mark angles for cuts used in building framing particularly roof rafters stair stringers and many other cuts or angles other than 90. 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.

Finding the pitch of a roof is simple with a speed square. Aug 20 2020 explore john barber s board framing square on pinterest. A 6 inch rise per foot.