How To Figure Shingles Needed For Roof

Determine the total number of squares.

How to figure shingles needed for roof.

Measure the length of the bottom of any triangular shaped portion of the roof. Hold the end you measured from against the bottom of a rafter so it s sticking straight out horizontally and is level. If the existing shingles are standard 3 tab shingles you can get this measurement by taking note of the number of tabs along the eaves and ridges then determine the length in feet. However shingles are packaged in a way that they are light enough for the average person to carry around.

Measure the pitch of your roof in the attic. Divide the total footage by 100 to determine the number of squares in the. Since transportation is a major cost factor expect prices to vary by location. Mark a length of 1 foot 0 30 m on a long level starting from one end.

Simply enter your roof dimensions and roof type such as gable or hip and approximate roof pitch. The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. Asphalt shingles range in price from about 25 per bundle for a standard 3 tab style to around 50 75 or more for an upgraded architectural style. Determine the bundles of shingles.

To do this you need to note that one tab will be equal to 1 foot. From the 1 ft 0 30 m spot you marked on the level measure upward to the rafter. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. You will then have to get the measurement of the rake of the roof.

Mark the center of the bottom. Measure the length and width of each rectangular or square area of the roof and multiply the length times the. Measure both the width gable side and the length eave gutter side. Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house.

A typical bundle of shingles weighs about 75 pounds while some premium products can weigh over 100 pounds per bundle so consider delivery of materials. Measure the length and width of each portion of the roof multiply length by. How to figure how many squares are needed for shingles step 1. A square of shingles would be a minimum of three bundles.

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. Enter your zip code. Asphalt shingles are sold in bundles that can cover 1 3 of a roof square or roughly 33 square feet. A square of roof is approximately 100 square feet of space on top of your home whether it runs at a slant horizontal to the yard or vertically toward a chimney or gable.