How To Determine Roof Size For Shingles

However shingles are packaged in a way that they are light enough for the average person to carry around.

How to determine roof size for shingles.

Next you will need to use a roofing materials calculator. You will then have to get the measurement of the rake of the roof. A square simply refers to a 10 x 10 square of roofing. Keep in mind that this estimation won t include any areas like garages or enclosed patios that the roof covers.

Measure the length and width of each portion of the roof multiply length by width for each plane and then add the planes together for the total square footage. To find the squares divide the overall roof area by 100 and then round up. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles. For example a very steep roof on a 1 000 square foot attic will need more shingles than a lower sloped roof on the same sized attic.

If you have a simple gable roof you ll only need to measure and sum up the 2 planes of the roof. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Find the square footage of the roof. If you were to click on the peaks it wouldn t give you an accurate reading of your measurement.

Measure both the width gable side and the length eave gutter side. 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. To figure out the area of a square or rectangular room measure length and width and multiply them together to get the. Thus in a simple style house you ll only have to click on the corners.

Outside of the u s a degree angle is typically used. This is simply 100 square feet of roof. Your roofer will know that steeper roofs use more shingles than lower sloped roofs for the same house size and there are established slope multiplier factors to make this calculation simple see table below. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.

Check that your footage measurements are within this range so you can start off on the right foot. Simply input the surface area of the roof choose from one of the available options and you will get your first roofing estimate. 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. Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house.

Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house.