How Many Boxes Of Roofing Nails Per Square

Your roof is a major structural component of your home, and a successful reroofing project requires a large investment in both time and money. Since yous cannot afford mistakes during installation, we highly recommend you hire a professional contractor. Our Find a Covering Professional locator tool tin help y'all find the roofing professional that's right for you.

If yous have decided to do the piece of work on your own, we'd like to aid. Bank check out our estimating guidelines below and visit Choosing the Right Roof and Things Y'all Should Know for boosted information.

To judge how many shingles you'll need, first estimate the total foursquare footage of your roof's surface. To exercise this, mensurate the length and width of each plane on the roof, including dormers. Then, multiply length x width to get the square footage of each airplane. Finally, calculate your roof's total square footage by but adding the square footage of each of the planes together.

For example, this shed roof has one roof airplane. Just measure length (A) 10 width (B): A x B = 120' x 100' = 12,000 sq. ft. for the total foursquare footage of the roof.

This gable roof has 2 planes. So, multiply length (A) x width (B) to get the foursquare footage for each plane. Then, add the two planes together to derive the total square footage of the roof:

Plane one: 120' x 100' = 12,000 sq. ft.
Airplane ii: 120' x 100' = 12,000 sq. ft.
Airplane one + Plane 2 = 24,000 sq. ft. for the total foursquare footage of the roof.

Roof surfaces are measured in "squares." A square is an area of roof which measures 100 square feet. To determine the number of squares on the gable roof above, simply split up its full of 24,000 foursquare feet past 100. The outcome is 240, and this means you would demand 240 squares of shingles to comprehend that roof. The most common type of shingle, called a three-tab or strip shingle, is generally packaged 3 bundles per square.

For a new roof, you will likewise need the aforementioned corporeality of underlayment. So, in the gable roof example above, you would need 240 squares of underlayment. Underlayment usually comes in rolls of four squares each. So, covering 240 squares would require 60 rolls of underlayment. No underlayment is needed if you are applying shingles directly over an existing asphalt roof.

Exist sure to add x% to all of your cloth totals for trim assart.

Finally, if y'all have whatever questions nearly your judge, ask a roofing contractor in your area. Most will exist happy to give y'all a gratis estimate. For a listing of roofing contractors in your area, use our Notice a Roofing Professional locator tool.

You lot volition too demand to know the gradient of your deck. In gild to decide this, measure the vertical rise of your deck in inches over a 12" horizontal distance. If this rise is 4", and then your roof slope is 4 in 12. Roof slopes are always expressed with the vertical ascension mentioned outset and the horizontal run (12") mentioned second.

To mensurate a steep roof, y'all will have to use an alternate method. To calculate the roof length, measure the exterior walls plus the overhang for the length of the house parallel to the ridge. Side by side, throw a rope over the ridge and mark it on each eave. This will give the width dimension to utilise in figuring your area. This should be done on each roof section containing a horizontal ridge.

Yous will besides need to determine the amount of nails y'all'll demand. By and large, you should use four nails per shingle. For regular iii-tab shingles, this would require 320 nails per foursquare. For high air current areas or when shingles are being applied to a mansard, half dozen nails per shingle are required (480 nails per foursquare). This is based on 80 shingles per square. Other styles of shingles may crave more or fewer nails per shingle and may have more than or less than 80 shingles per square. Refer to the awarding instructions on your shingle wrappers for the correct nailing pattern.

Nails are purchased by the pound, then ask your dealer for the correct amount of nails for your size roof, in the length you specify.

Measure out the lengths of your rakes and eaves to determine the amount of drip edge needed.