The length l times the height h of a triangle is twice its area a2.
How do you measure a gable roof.
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.
Measure an outside wall from end to end where the gable roof comes to a peak above the wall.
Measure both the width gable side and the length eave gutter side.
See determining roof pitch step 3.
Measure the height of the wall from ground level to the top of the eaves the point where the lowest part of the roof meets the top of the side walls.
1 roof square 100 square feet.
So if you divide your answer of a product of length times height by two you will get the area of a triangle.
Rise over run when calculating rise over run you will need to measure from the top of the wall to the roof peak.
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.
Finally measure the height from the ground to the top of the roof ridge the highest point on the gable.
To measure a roof start by measuring the length and width of the building s exterior walls and multiplying them to get the area.
Rise over run step 1.
Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house.
Starting at the peak of your gable roof measure down 36 along each side of your gable and make a mark.
Now either fax that to 480 768 1514 or put it in pdf format and e mail it to.
Hook the end of the.
L 30 feet h 12 feet 30 12 2 180 square feet.
Roughly draw out your roof on a piece of paper.
Let s use a gable roof as an example.
Ask an assistant to stand several feet straight way from the wall in line with the center mark.
Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house.
Move to the adjacent wall where that.
Gable roof square footage calculator.
We need to know the roof pitch or the slope of the roof.
Calculate the area of a gable roof using imperial measurements.
Remember it doesn t have to be to scale or look pretty.