How Do You Measure A Gable Roof

Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house.

How do you measure a gable roof.

Let s use a gable roof as an example. Rise over run when calculating rise over run you will need to measure from the top of the wall to the roof peak. Remember it doesn t have to be to scale or look pretty. 1 roof square 100 square feet.

Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. Step 1. Gable roof square footage calculator. L 30 feet h 12 feet 30 12 2 180 square feet.

Each geometric plane is a rectangle so we can use our formula for a rectangle base x height. Ask an assistant to stand several feet straight way from the wall in line with the center mark. Starting at the peak of your gable roof measure down 36 along each side of your gable and make a mark. Finally measure the height from the ground to the top of the roof ridge the highest point on the gable.

Calculate the area of a gable roof using imperial measurements. Measure both the width gable side and the length eave gutter side. Now either fax that to 480 768 1514 or put it in pdf format and e mail it to. 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.

Rise over run step 1. Measure an outside wall from end to end where the gable roof comes to a peak above the wall. We need to know the roof pitch or the slope of the roof. To measure a roof start by measuring the length and width of the building s exterior walls and multiplying them to get the area.

So if you divide your answer of a product of length times height by two you will get the area of a triangle. If you look at a gable roof you can see that it is comprised of two basic geometric planes that meet at the top ridge. Using a metal measuring tape measure the distance horizontally across from mark to mark. The length l times the height h of a triangle is twice its area a2.

Hook the end of the. See determining roof pitch step 3.