For example a 4 12 pitch roof that is 100 square feet.
How to measure a roof for shingles.
The length l times the height h of a triangle is twice its area a2.
The pitch of the roof is the rise over a 12 inch run.
Climb onto your roof and measure each section by its height and width.
Keep in mind that this estimation won t include any areas like garages or enclosed patios that the roof covers.
Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.
Use our roof pitch calculator to find the pitch of your roof.
Measure both the width gable side and the length eave gutter side.
Roof pitch area multipliers.
Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house.
Required measurements include the following.
How to measure a roof for shingles draw a rough layout of your roof.
Then each measurement is recorded on the diagram applicable to that roof surface.
To figure out the area of a square or rectangular room measure length and width and multiply them together to get the.
So if you divide your answer of a product of length times height by two you will get the area of a triangle.
Measure and record your findings.
Calculate the square.
100 1 054 105 4ft 2.
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.
Divide the roof into manageable sections.
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.
This doesn t have to be an exact sketch but.
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.