Measuring A Roof For Shingles

Roofing materials are typically packaged in squares each of which is the equivalent of 100 square feet 9 3 m 2 of roof space.

Measuring a roof for shingles.

Don t worry too much if you don t know how to measure a roof for shingles. To calculate a rough estimate follow these steps. So if you divide your answer of a product of length times height by two you will get the area of a triangle. To measure for roofing shingles start by calculating the area of each plane or section of the roof.

Next divide your total area by 100 to calculate the number of roofing squares you ll need to buy. L h 2 area calculating an area of a triangle when estimating a roof. Measure and record your findings. Then each measurement is recorded on the diagram applicable to that roof surface.

Dividing the total area of your roof by 100 will therefore help you figure out how many squares worth of shingles to order. Climb onto your roof and measure each section by its height and width. Your roofer will measure the surface of your roof to determine the total square footage which will dictate how many shingles must be purchased to fully cover the roof s planes. Add the price per square of materials to get an estimated material cost.

Measure both the width gable side and the length eave gutter side. Dimensions measured from the ground. But if you re curious how the measuring process works think back to your geometry classes in school. If you use a measuring tape you ll need someone to hold the tape while you measure the area.

The length l times the height h of a triangle is twice its area a2. The last step in measuring your roof for shingles is possibly the simplest because all it entails is using your measurements to calculate your roof s square footage. 1 roof square 100 square feet. 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.

Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. Record the measurements on your sketch of the roof. For each individual section of roof that you measured you will need to multiply the length by the width which will give you the square footage of that section. Required measurements include the following.