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Unless you have a flat roof, no; the surface area of the roof will be larger than the ground area of the building.

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Q: Is the square footage of your roof the same as the square footage of your home?
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How can a homeowner calculate the size of their roof?

Use the square footage of your house, and the size of your roof should be about the same. Be carefull not to include the yard in the footage or anything that is not covered by the roof, then divide the number by the number of stories your house is.


Your house is 1350 square feet how many shingles do you need?

The square footage of your house is not the same as the square footage of your roof if there is any pitch. If you are asking aboutasphalt shingles, generally each bundle covers 33.3 square feet. Therefore find the square footage of your roof, divide it by 33.3 to find the number of bundles, then multiply the original square footage by 5-10% to get the number of additional bundles for cutoffs and starter strip. The variation in percentage accounts for the number and length of valleys of the roof. Example:[@5%]roof =1500 ft2 --> (1500/33.3=45.05) (1500x.05=75 -->75/33.3=2.25)45.05 + 2.25= (48) bundles


How do you figure square footage of roof?

If the roof has equal pitches [both sides same size] Multiply the length of the roof by length of truss [take size from gutter to ridge] multiply these two sizes in feet then double the answer. that will be your answer.


How do you figure roofing number of squares on roof?

You measure the roof to get the square feet. There are 100 square feet in a square. On a straight single peak roof it's height times length on one side and double it. Then divide the total square feet by 100. This final number will give you the number of squares you have. If the roof is a flat, commercial roof, it is the same (100 sq. ft = 1 SQ). However, if it is a metal panel commercial roof, you need to add in "stretch factor" or the added amount of square footage if the panels were to be stretched flat. A good estimate for this is: If the ribs on the metal panel are 1" tall, add 10% to your square footage; if the ribs are 1.5" tall, add 15% to your total square footage. So, if you have a metal roof that is an R-panel (_/-\_), the ribs are 1.5" tall and the roof is 100 SQ (or 10,000 sq ft), take 10,000 sq ft + 15% (1500) = 11,500 sq ft (115 Squares).


Will length times width give you the square footage of a roof?

Length times width will give you the area of a rectangle. This will give you the square feet of one side of the roof. As most roofs have two sides of equal size, you will need to double this figure for the size of the whole roof. If the roof is many sided or multi-segmented, do the same math for each segment and add up the total of all the segments at the end to get the total.

Related questions

How can a homeowner calculate the size of their roof?

Use the square footage of your house, and the size of your roof should be about the same. Be carefull not to include the yard in the footage or anything that is not covered by the roof, then divide the number by the number of stories your house is.


Your house is 1350 square feet how many shingles do you need?

The square footage of your house is not the same as the square footage of your roof if there is any pitch. If you are asking aboutasphalt shingles, generally each bundle covers 33.3 square feet. Therefore find the square footage of your roof, divide it by 33.3 to find the number of bundles, then multiply the original square footage by 5-10% to get the number of additional bundles for cutoffs and starter strip. The variation in percentage accounts for the number and length of valleys of the roof. Example:[@5%]roof =1500 ft2 --> (1500/33.3=45.05) (1500x.05=75 -->75/33.3=2.25)45.05 + 2.25= (48) bundles


How do you figure square footage of roof?

If the roof has equal pitches [both sides same size] Multiply the length of the roof by length of truss [take size from gutter to ridge] multiply these two sizes in feet then double the answer. that will be your answer.


Is the floor area the same as the square footage?

If the square footage refers to floor area, yes.


How many sqs of shingles will it take to cover a peak roof 22ftx26ft?

Is the 22x26 one side of the roof or the length and width of the building? A square of shingles is 100 square feet. Measure one side if they are the same and double that amount. Height times width will give the square footage.


Is area of a rectangle the same as its square footage?

If it is a perfect rectangle and you are measuring the sides by feet then the length times the width of a rectangle is the same as the square footage.


How do you figure roofing number of squares on roof?

You measure the roof to get the square feet. There are 100 square feet in a square. On a straight single peak roof it's height times length on one side and double it. Then divide the total square feet by 100. This final number will give you the number of squares you have. If the roof is a flat, commercial roof, it is the same (100 sq. ft = 1 SQ). However, if it is a metal panel commercial roof, you need to add in "stretch factor" or the added amount of square footage if the panels were to be stretched flat. A good estimate for this is: If the ribs on the metal panel are 1" tall, add 10% to your square footage; if the ribs are 1.5" tall, add 15% to your total square footage. So, if you have a metal roof that is an R-panel (_/-\_), the ribs are 1.5" tall and the roof is 100 SQ (or 10,000 sq ft), take 10,000 sq ft + 15% (1500) = 11,500 sq ft (115 Squares).


How many squares of roof shingles do you need for a 600 ft roof?

When talking about the area of a roof, remember that it is not the same as the square footage of the structure. For example a 20 x 30' building with a 12" overhang and a 4/12 pitch will have 736 sq ft of roof vs only 600 sq ft of slab. One square of shingles covers 100 square feet. 15 year shingles come 3 bundles to a square. 25 year come 4 bundles to a square.


Will length times width give you the square footage of a roof?

Length times width will give you the area of a rectangle. This will give you the square feet of one side of the roof. As most roofs have two sides of equal size, you will need to double this figure for the size of the whole roof. If the roof is many sided or multi-segmented, do the same math for each segment and add up the total of all the segments at the end to get the total.


How many squares would you install when replacing the roof of 1578 sft with 3-tab shingles?

When talking about the area of a roof, remember that it is not the same as the square footage of the structure. For example a 20 x 30' building with a 12" overhang and a 4/12 pitch will have 736 sq ft of roof vs only 600 sq ft of slab. One square of shingles covers 100 square feet. 15 year shingles come 3 bundles to a square. 25 year come 4 bundles to a square.


How many packs of shingles are needed for a roof 80 x 20?

When talking about the area of a roof, remember that it is not the same as the square footage of the structure. For example a 20 x 30' building with a 12" overhang and a 4/12 pitch will have 736 sq ft of roof vs only 600 sq ft of slab. One square of shingles covers 100 square feet. 15 year shingles come 3 bundles to a square. 25 year come 4 bundles to a square.


How much roofing material needed to cover a four hundred sq foot roof?

When talking about the area of a roof, remember that it is not the same as the square footage of the structure. For example a 20 x 30' building with a 12" overhang and a 4/12 pitch will have 736 sq ft of roof vs only 600 sq ft of slab. One square of shingles covers 100 square feet. 15 year shingles come 3 bundles to a square. 25 year come 4 bundles to a square.