To do this you need to note that one tab will be equal to 1 foot.
Measure my roof for shingles.
For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.
In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches.
How to measure a roof for shingles draw a rough layout of your roof.
To do this measure the length and width of each plane on the roof including dormers.
Required measurements include the following.
If the existing shingles are standard 3 tab shingles you can get this measurement by taking note of the number of tabs along the eaves and ridges then determine the length in feet.
Measure and record your findings.
To find the squares divide the overall roof area by 100 and then round up.
How to measure a roof for shingles.
Outside of the u s a degree angle is typically used.
1 length of all slopes measure from ridge to eave length 2 measurement of all hip rafters length from ridge to eaves 3 measurement of all roof eaves areas bottom roof perimeter areas 4 measurement of all valley areas where two opposing.
To estimate how many shingles you ll need first estimate the total square footage of your roof s surface.
This is simply 100 square feet of roof.
Keep in mind that this estimation won t include any areas like garages or enclosed patios that the roof covers.
Calculate the square.
Then multiply length x width to get the square footage of each plane.
For instance if the roof is 1550 square feet then it is 16 squares.
Climb onto your roof and measure each section by its height and width.
To figure out the area of a square or rectangular room measure length and width and multiply them together to get the.
Don t worry too much if you don t know how to measure a roof for shingles.
You will then have to get the measurement of the rake of the roof.
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.