Keep in mind that this estimation won t include any areas like garages or enclosed patios that the roof covers.
Measuring your roof for shingles.
Climb onto your roof and measure each section by its height and width.
You will then have to get the measurement of the rake of the roof.
In most cases the roofs have two planes.
This can make it even safer to do your measuring and it also removes a level of guessing to your calculation.
1 roof square 100 square feet.
How to measure a roof for shingles.
Calculate the size of your roof and estimate how many bundles of asphalt shingles rolls of felt and squares of roofing material are needed for a new roof.
This doesn t have to be an exact sketch but.
There are many great benefits to using google earth to measure your roof but nothing is as good as using diy s satellite roof measurement.
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.
How to measure your roof for shingles measure the length of each individual plane to measure the length you need to spread the tape measure on each individual plane.
L h 2 area calculating an area of a triangle when estimating a roof.
The length l times the height h of a triangle is twice its area a2.
To do this you need to note that one tab will be equal to 1 foot.
Divide the roof into manageable sections.
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.
Calculate the square.
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.
Dimensions measured from the ground.
So if you divide your answer of a product of length times height by two you will get the area of a triangle.
How to measure a roof for shingles draw a rough layout of your roof.
Don t worry too much if you don t know how to measure a roof for shingles.
Measure and record your findings.
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.
To sum it up each individual tab on a 3 tab shingle measures approximately 12 wide by 6 high.
Add the price per square of materials to get an estimated material cost.