Roof Pitch Identifier

Asphalt roll roofing is still used today on residential roofs with a low roof pitch commercial buildings and outbuilding applications.

Roof pitch identifier.

This johnson pitch and angle locator is made of black high impact plastic. Also different architectural styles will use the same type of roof. Low slope roofs are from 0 to 3 12 in pitch. Typically a parapet 24 inches or less above the roof surface.

The fiberglass mat used in today s asphalt shingles used to be an organic felt mat consisting of wool cellulose wood fiber or waste paper. This tool is for carpentry plumbing electrical or hvac work that requires accurate pitch or slope identification. A roof with a 6 rise for every 12 run has a 6 per foot or 6 in 12 pitch. You can use it to identify roof pitch stair slope or drainage angles.

Pitch is thus the ratio of the rise in inches to a 12 inch run and is often expressed using a semicolon for example 6 12. Sometimes pitch is also expressed in. Our tool allows you to outline roofs identify roof features edges identify the pitch of each facet and add pins to roof attributes that will help you price your roofing project. Notes to the table above.

A device used to elevate gas pipes electrical conduit ductwork etc. Reduce the need for on site visits. It s ideal for identifying roof pitch stair slope or drainage angles. The johnson level tool pitch and slope locator is designed for carpentry plumbing electrical or hvac work requiring accurate pitch or slope identification.

Half of the scale is printed in 0 to 90 degrees in 2 quadrants. If asphalt shingles are to be installed on a low slope roof special steps are required to avoid short roof life and roof leaks. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. Some sources consider low slope to include 3 12 pitch roofs.

A flanged enclosure made of sheet metal or other material placed around a penetration through the roof. Simply mark a level at 12 hold it perfectly level and measure from the roof surface to your 12 mark this. The example to right shows 2 different ways to determine or calculate roof pitch also called roof slope. Typically a parapet greater than 24 inches above the roof surface.

Example a the measurements are taken from on top of the roof. The 7 means that the roof rises 7 for every 12 it runs. With the use of this converter it will be easier for you to locate a 30 degree roof pitch 20 degree roof pitch 25 degree roof pitch or a 15 degree roof pitch. Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss.