How To Read Roofing Square

Step 1 work out the ratio of the roof.

How to read roofing square.

This is called the pivot. Select sketch my roof. One leg is wider and longer than the other. Select the blueprint you wish to measure.

A carpenter s framing square includes some tables stamped right into the tool itself. How to read a rafter angle square. Before you can use the roofing square you need to work out the ratio of the roof pitch. Retrieve your blueprint image by tapping load then selecting the source of the file i e your email dropbox etc.

The manufacturer s name and logo is stamped on one side which is called the face. Locate the hypotenuse running at a 45 degree angle from the legs. In most american. Follow the lip and adjacent leg to where they form a 90 degree angle.

Here s a step by step guide to measuring with blueprints. This article explains how to make quick use of a framing square and its imprinted data to get some basic roof measurement data like roof pitch or slope rafter lengths and end cuts. How to properly use a roofing square. The wider leg is called the blade and the narrower one the tongue.

Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100. Open the app and select measure your roof. Hold the square in one hand and examine it. The answer is the number of roofing squares for the roof.

Step 3 template. Step 2 using the roofing square. Find the lip edge. How to use a framing square and its etched on tables to figure out roof slope rafter lengths.