How To Read Roofing Square

Select the blueprint you wish to measure.

How to read roofing square.

Locate the hypotenuse running at a 45 degree angle from the legs. Select sketch my roof. Here s a step by step guide to measuring with blueprints. Because each 100 square feet of roof is one roofing square divide the total area from step 1 by 100.

In most american. One leg is wider and longer than the other. Step 2 using the roofing square. A carpenter s framing square includes some tables stamped right into the tool itself.

Use it as a straight edge. Step 3 template. This edge keeps the rafter angle square from lying flat. Follow the lip and adjacent leg to where they form a 90 degree angle.

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. The answer is the number of roofing squares for the roof. Hold the square in one hand and examine it. How to properly use a roofing square.

The manufacturer s name and logo is stamped on one side which is called the face. How to use a framing square and its etched on tables to figure out roof slope rafter lengths. This is called the pivot. 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. Find the lip edge. Estimate the pitch of the roof. The wider leg is called the blade and the narrower one the tongue.