How Many Shingles To Roof My House

Since transportation is a major cost factor expect prices to vary by location.

How many shingles to roof my house.

How to figure how many squares are needed for shingles. It takes 3 bundles to cover a square if you use 3 tab shingles the most common type. Most building codes allow for two layers of asphalt shingles on a house so stripping off everything down to the plywood sheathing may not be your only choice. However if you are using heavier shingles you will require 4 to 5 bundles for a square.

1square of roofing covers 100 square feet of roof a bundle is 1 3 of a square. When you are using 3 bundles for a square you will be getting 29 standard shingles in each bundle. It requires 18 squares of shingles. Get the square footage of roof and divide it by 100 and it will give the number of squares you need and for every decimal number over 3 buy a bundle to achieve the amount of material.

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. If your roof is in good shape but has some damage to one side from a downed tree or has lost shingles in a wind storm an overlay is worth considering. Divide the total footage by 100 to determine the number of squares in the roof. This house is 1000 square feet.

For the number of ridge caps multiply the length of the hip or ridge by twelve and divide it by five. It is common to use 3 bundles to a square of shingles. This roof shingle calculator requires four basic inputs. Nailing new shingles over existing ones is less expensive and faster requiring less labor but it also means you lose the chance to assess the sheathing for signs of water damage.

Roof length measured in feet roof width measured in feet roof pitch roof type either gable or hip. Asphalt shingles range in price from about 25 per bundle for a standard 3 tab style to around 50 75 or more for an upgraded architectural style. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans. Measure the length of the bottom of any triangular shaped portion of the roof.

The average bundle of shingles covers 33 3 ft 2 so three bundles of shingles are needed per square. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.