How To Determine Best Shingles Needed For Roof

A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.

How to determine best shingles needed for roof.

Divide the total footage by 100 to determine the number of squares in the roof. While it is possible to estimate the amount of necessary materials using only the total roof area measurement as can be seen from the table depending how large the pitch of the roof the actual area of the roof can differ by up to 2 236 from the measured total area at a pitch of 24 12. Measure both the width gable side and the length eave gutter side. Roofing felt also known as tar paper is a roll of felt coverage is often used when constructing a roof.

It provides extra waterproofing to protect the wood until shingles are installed. However shingles are packaged in a way that they are light enough for the average person to carry around. You will then have to get the measurement of the rake of the roof. How to figure how many squares are needed for shingles.

To do this you need to note that one tab will be equal to 1 foot. This can be done by multiplying the length in feet by the width in feet to get the area measurement. In order to know the appropriate amount of roofing felt to use the roof pitch will need to be calculated first. Then determine the area of the roof as if it were flat.

Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. Measure the length and width of each rectangular or square area of the roof and multiply the length times the width to gain the total. Once the area of the roof s footprint is known the overall roof area can be found by accounting for the pitch of the roof. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.

Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house. 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. Remember that the length and width need to be found for the roof not the house so take into account that the roof overhangs the building. There are some asphalt shingles that are more suited for your area than others.

Finding the total roof area. Determine the total number of squares. In the end the best shingles for your home depend on your location budget style and climate. Measure the length of the bottom of any triangular shaped portion of the roof.

You ll want to do careful research into each roofing manufacturer to ensure you choose a shingle that s best for you. Measure the pitch of your roof in the attic. Hold the end you measured from against the bottom of a rafter so it s sticking straight out horizontally and is level.