Roof Measurement Practice

Calculating an area of a triangle when estimating a roof.

Roof measurement practice.

Click to enlarge the image. The length l times the height h of a triangle is twice its area a2. Dual mode surveymaster kit bld5365 non invasive pin probes bld5365 free shipping 604 96. 1 roof square 100 square feet.

Delmhorst j lite analog moisture meter with case. Trace the linear features of the roof. A single square is an area on the roof of 100 square feet. Using your tablet or smartphone easily upload a blueprint.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. To use the direct roof slope measurement procedure shown just abofe in addition to safe access to a roof that won t be damaged by touching or walking on it you need. For square or rectangular roofs you ll only need to record the length and width. Extend your tape measure along the outer edges of the roof to find its length and width in feet.

On a typical roofing job each pack of asphalt shingles will cover 1 3 of a square or about 33 3 square feet. Complete one side at a time before moving on to other areas. Architects and builders frequently show only a roof outline on their blueprints leaving out the roof square measurements as well as the linear roof measurements. This procedure to measure roof slope can be performed on the roof or from a ladder at roof edge.

How to measure a roof. Verify scale and the app instantly and accurately calculate the measurements. For sloped sectional roofs write down the dimensions of each individual plane. A tape measure and a carpenter s level.