This will give the width dimension to use in figuring your area. This should be done on each roof section containing a horizontal ridge. Determine the roof area by using a mathematical formula that accounts for the roof length, total span, and roof pitch :. Generally, you should use four nails per shingle in the field of the roof, and 5 nails per starter shingle. For regular three-tab shingles , this would require nails per square for field shingles. Multiply the number of starter shingles required by 5 to determine the number of nails required to fasten starter course.
For high wind areas or when shingles are being applied to a mansard, six nails per shingle are required, or nails per square. This is based on 80 shingles per square. Other styles of shingles may require more or fewer nails per shingle and may have more or less than 80 shingles per square. Refer to the application instructions on your shingle wrappers for the correct nailing pattern.
Always check what local building code dictates for fasteners. Ask your dealer for the correct amount of nails for your size roof, in the length you specify. Getting the color and shape of shingle you always wanted is a great way to express your individual personality and add real value. Owens Corning. Planning Your Roof. Roof Damage.
Hiring a Contractor. Roofing Blog. Components Explore Components. Advanced Features. Roofing System. Total Protection is more than shingle deep. Design and Inspire Explore All. Upload a picture and "try on" shingles. Warranty Information. If the sheathing is still exposed you can use the sheet-count method, which is sometimes preferred more than the measurement method.
This method is fast, and you can usually complete it from the ground. The caveat is you can use this method only on roofs sheathed with 4x8ft.
Each of these panels is 32 sq. Another way to tally them up is by estimating the relative size of ripped and crosscut sheets along the edges of the roof to the size of a full sheet. Diagonally cut sheets along hips and valleys are a bit more of a challenge to size, but typically you can assign them a relative size, like half or quarter sheet, and it will be close enough. Calculating the number of bundles, you need is simple if you are using shingles that come three bundles to a square.
Each bundle covers To start, measure the length of the eaves of each roof plane, either directly from on top of the roof or from the ground by measuring the length of the house and adding in the width of the rake overhangs, if any. Count the existing courses of shingles from eaves to the ridge to get the length of the rakes.
The exposure on each course of shingles is five inches, so multiply the number of courses by five inches and then divide by 12 to get the length of the rakes. Make sure you check that the existing shingles are not metric size and are the standard in.
To get the area in square feet just multiply the length of the eaves by the length of the rake and. Areas of complex roofs with many hips and valleys take the most time to calculate. This means you will get 87 shingles if you buy a square of three-tab, standard-sized shingles. It may be a little confusing — kindly take your time to comprehend it as a whole.
To count your need for shingles, as usual, you will need to know the width of your roof. If the roof consists of several planes, you can easily add the width. But how to count a complex roof? Indeed, it is not as easy as a rectangular gable roof. Although there is help out there — shingle calculator — it is quite easier to do it manually.
Because the shingles calculator does not work in this case, you own a complex roof. Once you found out how many bundles of shingles in a square, you may wonder, is it the same as all kinds of shingles? Well, you may find many different answers regarding this topic. Some manufacturers sell 4 bundles for a square while the other sell three bundles only.
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