How To Determine Shingles Needed For Roof

Measure the pitch of your roof in the attic.

How to determine shingles needed for roof.

To do this you need to note that one tab will be equal to 1 foot. A square of shingles is the quantity needed to cover 100 sq. The first thing you need to do when figuring out how to put shingles on a roof is to determine which type of roofing shingles you need. Singles are often sold in bundles with three bundles equaling one roof square.

The number of squares determines the amount of shingles needed. From the 1 ft 0 30 m spot you marked on the level measure upward to the rafter. Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house. Shingles are packaged in paper or plastic wrapped bundles designed to be light enough for a person to carry so heavier shingles require more bundles per square.

Mark a length of 1 foot 0 30 m on a long level starting from one end. Given pitch and a horizontal area measurement multiply the horizontal area by a correction factor corresponding to pitch provided in the table below to determine the actual area of the roof to be used in the roofing material calculator. Divide the total footage by 100 to determine the number of squares in the. Hold the end you measured from against the bottom of a rafter so it s sticking straight out horizontally and is level.

Determine the total number of squares. Measure the length and width of each portion of the roof multiply length by. 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. Find the square footage of the roof.

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. Start by measuring the length and width of the roof in feet as you re standing on the ground. This roof shingle calculator requires four basic inputs. 3 tab shingles are the most common type of shingle.

Roof length measured in feet roof width measured in feet roof pitch roof type either gable or hip. Determine the bundles of shingles. Then determine the area of the roof as if it were flat. You will then have to get the measurement of the rake of the roof.

Architectural shingles are another option and are installed the same way as 3 tab shingles but give your roof. Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house.