Measure A Shingle Roof

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.

Measure a shingle roof.

Next divide your total area by 100 to calculate the number of roofing squares you ll need to buy. Then calculate the pitch of the roof by placing a level against it angling the level so the bubble is centered and measuring the distance between the end of the level and the roof. The length l times the height h of a triangle is twice its area a2. To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.

How to calculate your roof square footage first measure the length and width of each surface on the roof then multiply these values to get the square footage of that surface. Make sure to document the number of chimneys skylights or other obstructions and include dormers in your measurements. 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. 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.

Measure both the width gable side and the length eave gutter side. Https youtu be rln10piuu s drew s roofing and home repair brunswick county nc roofer 910 845 2207 drew s roofing and home repair of southport north carolin. Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house. To measure for roofing shingles start by calculating the area of each plane or section of the roof.

Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. Three bundles of shingles will cover a single square. To measure a roof start by measuring the length and width of the building s exterior walls and multiplying them to get the area. For example if your roof was 1900ft2 then you would have 19 squares and need 57 bundles of shingles to cover it.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. 1 roof square 100 square feet. The first technique is referred to as the shingle count method which is used for estimating the measurements of all rectangular shaped sections of a roof. To calculate a rough estimate follow these steps.