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how many square feet is the average house roof

by Garth Gorczany MD Published 3 years ago Updated 3 years ago

How many square feet is an average roof?

House by Square Foot Roof by Square Foot Re-Roofing Cost*
1,800 1,897 $6,700 - $9,500
1,900 2,003 $7,000 - $10,000
2,000 2,108 $7,400 - $10,500
2,500 2,635 $9,000 - $13,000
Jun 7 2022

The roofs are measured in squares. 100 square feet is equivalent to a square in roofing terms. The roof of the average home is 3000 square feet.

Full Answer

How many square feet is the average house roof?

The roof of the average home is 3000 square feet. The measurement of your roof is easy to figure out. How many square feet is a roof on a 2000 square foot house? If your roof is 2,000 sq. feet, then you will have 20 squares. (2,000 / 100 = 20). How many roofing squares is a 2400 sq ft house? A roofing square is equal to 100 square feet of the roof.

How do you calculate the square footage of your roof?

  • Once you have your roof’s pitch, divide the number by 12. ...
  • Next, square your result. ...
  • After that, add 1 to your number. ...
  • Next, figure out the square root of your new number. ...
  • Determine the square footage of one floor of your home. ...
  • Multiply this number by your most recent result to get the estimated square footage of your roof. ...

What is the average cost per square for roofing?

The cost per square depends on the type of shingles and the brand. They generally range between $55 on the low end and $600 on the high end, with an average of $100 to $250 per square of architectural shingles. The roofing labor cost per square is $100 to $250.

How do you calculate the square footage of a building?

  • Divide the space into smaller sections.
  • Measure each section separately and calculate the square footage of each.
  • Use a calculator to add the numbers together to get the total square footage.

How big is the average roof on a house?

The average home is approximately 30 squares, meaning that their roof is 3,000 square feet. Here is a simple way to figure out the measurement of your roof.

How big is a roof on a 1800 square-foot house?

That 1800 square foot house typically has a two foot roof overhang that adds an average of 250 square feet of roof, for a total of 2750 square feet.

How many squares does it take to roof a 2000 square-foot home?

20 squaresRoofing Square Conversion Calculator This is pretty simple; here's an example: If your roof is 2,000 sq. feet, then you will have 20 squares. (2,000 / 100 = 20).

How many square is my house roof?

To find your roof's total square footage: Measure the length and width of each plane on the roof (including dormers) then multiply length times width. Add the square footage of each of the planes together.

How many square feet is a roof on a 1600 square foot house?

The square footage would be 40 x 40 = 1,600 square feet (the square) plus 20 x 40 = 800 / 2 = 400 square feet (the triangle). And 1,600 + 400 = 2,000 square feet total. Add the square footage for all the planes together. The result is the total square footage of your roof.

How many squares is a 1500 sq ft house?

For a 1500 square foot house, you will need approximately 19 squares or 57 bundles or 1653 pieces of 3-tab standard-sized shingles (12 inch by 36 inch) when overhangs is 1 feet and roof slope is 4/12.

How many squares are in a 1800 square foot house?

For a 1800 square foot house, you will need approximately 23 squares or 69 bundles or 2000 pieces of 3-tab standard-sized shingles (12 inch by 36 inch) when overhangs is 1 feet and roof slope is 4/12.

Is a roof the same square footage as a house?

Roofing Quote Footage is Not the Same as Home Square Footage Depending on where the information is coming from is going to determine the basis on which the estimated roof footage is calculated. The roof square footage is what we (roofing contractor) need to calculate a budget quote to do the job.

How many bundles of shingles do I need for 2000 square feet house?

60 bundlesOnce you've determined the square footage you need to cover, you can figure out the number of bundles you need by dividing the total square footage by 33. Example: if you have 2,000 square feet of roof to cover, that means you'd need about 60 bundles (2,000 divided by 33 is about 60).

How many square is an average roof?

The roof of the average home is 3000 square feet. The measurement of your roof is easy to figure out.

How big is a roof on a 1000 sq ft house?

Thus, to cover roof of a 1000 square foot house, you would need 39 bundles of shingles. Thus, it will take 39 bundles of 3-tab standard size shingles (12″×36″) to cover roof of 1000 square feet house. Thus, there are 39 bundles of standard size 3-tab shingles you will need to cover roof of 1000 square feet house.

How many square feet are in a square of shingles?

100 square feetStandard shingles are 12 by 36 inches and come 29 to a package. Most shingles come 3 bundles to a square — which is equal to 100 square feet.

Metal Panels And Tiles

Once found mostly on commercial and farm buildings, metal roofing is now the fastest-growing residential roofing material. There are two basic kinds: standing-seam panels and tiles. Panels come in pieces around 16 inches wide and up to 20 feet long, so they reach without a seam from the ridge to the gutters.

Cost To Redo A Roof With A Different Type

If you are replacing your existing asphalt roof with a roof type that is heavier, like slate or stone tiles, the potential exists where you may need some structural reinforcement for the rafters and joists in the roof framing structure to support the additional weight.

Average Cost Of Materials For A Metal Roof

As described above, the average cost of materials for a metal roof is around $12.00 $13.00 per square foot, but that can definitely vary based on your area, the exact type of material you choose for your metal roof, and the idiosyncrasies of your property, and other environmental factors that impact the final metal roofing quote.

How Big Is My Roof

Alright, lets start with the basics. First, you have to determine the size of your roof. Roofs are measured in squares. A square in roofing terms is equal to 100 square feet. The average home is approximately 30 squares, meaning that their roof is 3,000 square feet. Here is a simple way to figure out the measurement of your roof.

Roof Installation Cost Factors

There are many things that make up the price to install a new roof in addition to the material choice and labor costs. Additional materials such as underlayment, venting, flashing, trash removal, and permits are often required for an installation and add to the cost.

Shingle Roof Installation Cost

The total cost of installing a shingle roof consists of both material and labor costs. Labor is a significant factor and can comprise as much as 60% or more of the total project cost. So, for a job that ends up costing $12,000, at least $7,600 of that goes toward labor costs.

Join Our Facebook Roofing Group

We are going social and have created a new Facebook group for people who want to know more about roofs, roofing problems, fixes, ask pros, etc. Feel free to join. It is a private group so once we get your request to join we will approve it as quickly as possible.

What is the pitch of a roof?

Roof pitch is the measurement of a roof's vertical rise divided by its horizontal run. It is often compared to slope, but is not exactly the same. In the United States, a run of 12 inches (1 foot) is used, and pitch is measured as the rise of the roof over 12 inches. For instance, a 7/12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Outside of the U.S., a degree angle is typically used.

Does roof pitch affect the area of the roof?

It affects walkability as well as drainage, and roofs in areas of high rain or snowfall tend to have steeper pitches. Roof pitch affects the actual area of the roof. Depending whether the roof area is measured horizontally (possibly from a drawing or photograph), a correction factor is necessary to determine the actual area of the roof.

How many square feet are there in a roof?

You will need to express this size in terms of square feet. Keep in mind that the average size of a roof is 1,700 square feet, so your total will likely be 10% higher or lower than this figure. Check that your footage measurements are within this range so you can start off on the right foot.

How long does a roof last?

While the average lifespan for a typical roof can be 15-20 years, a long, hard winter or a particularly intense storm can cause lasting damage to a roof. Over time, that damage could really add up. As a result, you might need to calculate an estimate of how much it will cost to replace your old roof with a new one.

Can you get discounts on shingle roofs?

This is especially true with shingle roofs (both metal and asphalt). Often, you can get discounts for using certain types of metal or asphalt, so always make sure that you check out these options when running all the numbers. For example, a steel roof will typically cost less than an aluminum roof.

How to calculate the area of a roof?

To accurately calculate the area of your roof, you must first determine its slope, or pitch. Roof pitches are described in terms of rise and run. The run is the distance from the outside edge of a perimeter stud wall to the center of the house. The rise is the distance from the top of a stud wall to the peak of the roof.

Can you put shingles on a flat roof?

You should not put shingles on a flat roof. If you are going to use shingles, build a pitched roof over the mobile home. The dead air space between the metal roof and shingle roof will work as a barrier to dissipate heat. You should use rolled roofing on a flat roof, over lap 1/2 the width of the rolled roofing.

How many square feet are there in a roof?

All professional roofers use “squares” to measure and estimate roofs. A square is equal to 100 square feet of the 3-dimensional roof surface.

How many square feet is a 2000 sq ft house?

How many squares is a 2000 square foot home? If your house area is 2000 square feet, the number of roofing square for the roof will be 20. In metric system, the house area will be approximately 186 square meters, because 1 meter is equal to 10.76 feet. The number of roofing squares for 186 sq. Click to see full answer.

How many square feet are in a bundle of shingles?

If the shingles you are using come three bundles to a square, calculating the number of bundles you'll need is simple. Each bundle covers 33.3 sq. ft. of roof area—close enough to the 32 sq.

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