QA

Question: How To Figure Roofing Shingles

Roof surfaces are measured in “squares”. A roofing square is equal to 100 square feet of the roof. To determine the number of squares on the gable roof example in this post, divide its total of 2400 square feet by 100 (2400 ÷ 100 = 24). This means you would need 24 squares of shingles to cover that roof.

How many bundles of shingles do I need calculator?

Asphalt shingles and most other roof shingles are typically available in bundles. For each roofing square or 100 sq ft, you’ll need three bundles of shingles. The average size of a roof is 30 squares, which typically requires 90 bundles of three-tab shingles or any other starter strips.

How do you calculate shingles for a roof?

To estimate how many shingles you’ll need, first estimate the total square footage of your roof’s surface. To do this, measure the length and width of each plane on the roof, including dormers. Then, multiply length x width to get the square footage of each plane.

How many shingles do I need for a 1200 sq ft house?

You will need anywhere from one to two shingles per square foot, depending on the type and size of shingle you choose.

How many bundles of shingles do I need for a 1500 square foot roof?

How Many Bundles of Shingles Will You Need. The average bundle of shingles covers 33.3 ft2, so three bundles of shingles are needed per square.

How many sq ft are in a bundle of shingles?

Standard 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. So, each bundle provides about 33 square feet of coverage.

How many shingles do I need for 1000 square feet?

Since there are twenty six shingles in a bundle of twenty year shingles (which is fine for starters and edges), divide the result by twenty six. For the number of ridge caps, multiply the length of the hip or ridge by twelve and divide it by five. This house is 1000 square feet. It requires 18 squares of shingles.

How do I calculate the square footage of my roof?

For an easy up-and-over, walkable gable roof, you’ll multiply the footprint of the roof by 1.3 to get the square footage of your roof. For a hip roof with a low slope, you’ll multiply the footprint of the roof by 1.4 to get the square footage of your roof.

How many square feet will 12 bundles of shingles cover?

Each bundle covers 33.3 sq. ft. of roof area—which is close enough to the 32 sq. ft.

How many bundles of shingles do I need for a 12×12 shed?

As a rule of thumb, there are 3 bundles to a square, assuming that you are using three-tab strip shingles. There are also 29 standard-sized shingles (measuring 12 inches by 36 inches) in each one of these.

How many squares is a 2000 square foot home?

If your roof is 2,000 sq. feet, then you will have 20 squares. (2,000 / 100 = 20).

How many bundles of shingles are in a square of GAF?

Often, three bundles of prepackaged asphalt shingles make one square, as is the case with the Timberline® HDZ™ Shingles.

How many bundles of shingles do I need for 3000 square feet?

If you have a roof area of 3000 square feet, you’ll need 90 bundles of shingles. Shingles with 4 bundles per square will require you to purchase 120 bundles for a 300 square foot roof.

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

The number of bundles or squares you need will depend on the surface area of your roof, and its pitch or slope. For example, a 2,000 square foot roof will require 20 squares or 60 bundles.

How many bundles of shingles do I need for a 10×10 shed?

How many shingles would I need for a 10×10 Gambrel shed roof? – Quora. Quick answer —-> One square. 3 pieces of plywood equals 10ftx10ft. Three bundles but probably four because that would fit it perfectly and even on a tiny little shed 5–10% needs to be calculated in for waste and mishaps.

How many bundles of shingles do I need to cover 120 square feet?

Each square will need three bundles of shingles to cover it. Find the total square footage of your roof by multiplying the width by the length and then divide that number by 100 and you will get the number of squares you need to cover.

How much does it cost to shingle a 1200 square foot house?

Average cost to replace a roof based on house size: 1,200 square feet: $4,500 to $6,500. 1,500 square feet: $5,500 to $8,000. 1,600 square feet: $6,000 to $8,500.

How much does it cost to reroof a 1000 square foot house?

Roof Size and Pitch A new roof on a 1,000-square-foot house costs an average of $4,000 to $5,500 while the cost to replace a 3,000-square-foot home’s roof can rise to an average of $11,200 to $16,000.

How do you calculate roof area on plan?

Multiply your house length by your house width to get the area. (For example, 40 feet x 30 feet = 1,200 square feet.) Next, multiply the area by your roof’s pitch. (1,200 x 1.05 = 1,260 square feet.).

Is the square footage of a house the same as the roof?

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 do I calculate roofing materials?

To estimate roofing materials, start by finding the total square footage of the roof and divide the number by 100 to determine the number of “squares” in the roof. Since it takes 3 bundles of shingles to cover a square, plan to purchase 3 bundles for each square. Then, add 10% to the number to account for waste.

How many bundles of shingles do I need for a 2 car garage?

Three bundles are equal to one square. Each square equates to 100 square feet. In the previous example, three squares, or 300 square feet, of shingles will be needed to cover the garage roof. After calculating the square footage needed, always add in an extra 10 percent to the total for shingle breakage.

How many squares are in 1800 square feet?

A roofing square is equal to 100 feet on your roof. If your roof measures at 1800 square feet, you would need 18 squares of shingles to cover your roof.