How To Size A Roof For Shingles

To find the squares divide the overall roof area by 100 and then round up.

How to size a roof for shingles.

For instance if the roof is 1550 square feet then it is 16 squares. Cut six inches off the length of the first starter shingle nailed on then use the rest of them full size. First you must measure the length and width of each plane of the roof including dormers. Measuring the length and width of each plane by hand 1.

To figure out your roof s area a simple geometry can be used. The key is to be as accurate as possible since falling short or an overage could mean thousands of dollars when planning your roofing budget. Stow these items in a shoulder or hip pack while. If the planes aren t rectangles this may be complicated.

A square simply refers to a 10 x 10 square of roofing. Next to calculate the square footage of each rectangular plane multiply the length by the width. Required measurements include the following. Roofing is measured in squares.

This is simply 100 square feet of roof. Each area on the roof is a single plane which just means it s a surface with a. Snap a horizontal chalk line over the starting row to use as a guide. Lay the first row of shingles directly covering the narrow starter row.

Draw an overhead view of your roof. Then each measurement is recorded on the diagram applicable to that roof surface. Climb a ladder with a notepad a pencil and a measuring tape. How to measure a roof for shingles step by step the process of accurately measuring a roof involves first making a diagram of the roof to show the basic shapes of each roof plain and how they relate to one another.

The more common roof thickness is 3 4 inch decking.