WebDec 23, 2024 · Method 1 :Multiple the total area of your roof by 10%. For example, for a 3,000-square-foot roof, you would calculate 3,000 x 10% = 300. So you would estimate the … WebTo calculate the roof length, measure the exterior walls plus the overhang for the length of the house parallel to the ridge. Next, throw a rope over the ridge and mark it on each eave. This will give the width dimension to use in figuring your area. This should be done on each roof section containing a horizontal ridge. Now how about nails?

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WebThe measurement will always be represented in terms of inches per foot. 4. The Roof Pitch – The slope of a roof is referred to as pitch, and it is measured in a fractional ratio of the rise divided by the span, that identifies the distance between exterior walls. A roof with a 3-foot rise and a 24-foot span would be a 1/8 pitch of the roof. WebRoof Size Calculator. Use our Roof Size Calculator to figure out the total net roof area using the roof plan dimensions and slope. We recommend using the PitchFactor mobile app to determine your roof slope (or pitch), which is the number of inches of vertical rise of the roof over a horizontal distance of 12 inches; for example, a “4 in 12 ... headlamp and flashlight

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WebFeb 2, 2024 · The roof shingle calculator takes these two values and uses them to get the footprint area. The footprint is the 2D shape of a roof and is crucial for further area calculations. If you want to see it, you will find the value below roof length in the advanced mode. Choose the roof pitch. WebOct 14, 2024 · According to GAF’s asphalt shingles guidelines, you must use “secure with 4, 5, or 6 nails per shingle per GAF’s application instructions or local codes,” however, most of GAF’s shingle lines (and most local building codes) require 6 nails per shingle. You should use 6 nails per asphalt shingle to properly adhere all materials to the ... gold medal service new jersey