Measurement Of A 3 Tab Roofing Shingles

These are still considered standard asphalt shingle dimensions.

Measurement of a 3 tab roofing shingles.

Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry. Roofers refer to a shingle as 3 tab because it is made up of three individual tabs that are a 12 wide. Like architectural shingles 3 tab roofing shingles are asphalt based products that work by shedding water to the shingle below. While you can order special hip and ridge cap shingles you can make your own by cutting a 3 tab shingle into 3 pieces.

The average 3 tab shingle needs four nails per shingle. 3 tab shingles come in either 20yr 25yr or 30 yr warranties. To measure for roofing shingles start by calculating the area of each plane or section of the roof. 7 x research source.

Some roofers install shingles so the cutout lines describe a slight angle as you look from the bottom to the top of the roof. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. Metric shingle exposure is proportional to their larger size commonly 5 5 8 inches. Once upon a time traditional strip or 3 tab shingle dimensions as well as asphalt shingle dimensions measured 12 inches wide by 36 inches long.

Gaf marquis weathermax charcoal 3 tab roofing shingles 33 3 sq. In the past most 3 tab shingles were imperial sized at 12 inches wide and 36 inches long with an exposure of 5 inches. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these. With that as background you are now ready to estimate how many shingles you will purchase for your roof project.

Then multiply that number by 3 to figure out how many shingle bundles that amounts to since shingles typically come in a bundle that s large. A bundle of 3 tab shingles will cover 35 feet 11 m. Nails will also be required for any roofing project. Now most 3 tab shingles typically referred to as metric shingles are larger.

Three tab shingles are usually 36 inches long. Next divide your total area by 100 to calculate the number of roofing squares you ll need to buy. Each tab is 12 inches. They are designed to be installed with a 5 inch reveal.

However most people prefer the cutout lines to be aligned so they make straight vertical lines.