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 do I calculate roof covering?

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.)

How many bundles of shingles do I need to cover my roof?

Three bundles to a square is most common, which applies to most three-tab strip shingles and some lightweight laminated shingles. Heavier three-tabbed shingles and laminated shingles require four, or sometimes five, bundles to cover a square.

How big is a square foot of roofing?

In roofing terminology, a “square” is 100 square feet. Composition shingles (asphalt or fiberglass) come in bundles that cover 1 /3 square. Roofing comes in rolls 3 feet wide and 36 feet long, for a coverage of about 1 square.

How many square feet of roof shingles do you need?

A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. However, shingles are packaged in a way that they are light enough for the average person to carry around. As a rule of thumb, there are 3 bundles to a square, assuming that you are using three-tab strip shingles.

How many square feet do you need to cover a gable roof?

Roof surfaces are measured in “squares” – a “square” is equal to 100 square feet of the roof. To determine the number of squares on the gable roof above, divide its total of 24,000 square feet by 100 (24,000 ÷ 100 = 240). This means you would need 240 squares of shingles to cover that roof.

How much does a roofer charge per square?

If the roofing damage is spread over a larger area then it may be positioned as a per square estimate. In this case, it can vary based on what type of damage is being dealt with. For most cases, the repair cost is going to settle somewhere between $100-$200 per square but this number can rise if substantial damage is uncovered.

What size dumpster for roofing?

The most common dumpster size for roofing is the 10 yard container . This size is best if you’re just disposing of shingles and other roofing materials during normal roof repairs. The 20 yard container is best for larger roofing projects, or jobs that involve more than just shingle removal.

How many squares are in bundle of shingles?

A bundle of shingles contains approximately 33 square feet of coverage. Material and labor for roofing is most often priced by the “square,” which is a 10′ by 10′ area of roofing coverage. A bundle of shingles will constitute approximately three squares. These costs only include dimensional shingles.

What is the size of a roof square?

The term “roofing square” and “roof pitch” are the most commonly used terms in the roofing industry. 1 roofing square = 100 square feet.

What does Square in roofing mean?

Square Definition. A square is the number of shingles it would take to cover 100 square feet of roof area with each row of shingles covering the tabs of the layer below it.