How Much Do Shingles Weigh?

In the business of Roofing there are several expenses. Shingle disposal is one of them. Since disposal costs are determined by volume and weight, the question is:

How much do shingles weigh? And how much space do they take up?

Let’s take a look at the differences in determining how much.

A couple of the measurement options would be square footage, shingle size, new shingle weight and every other item you could wrap your head around but the way we need to determine weight in a tear off is by Roofing Squares.

Roofing square vs. square footage

One square is equal to 100 square feet. For example, a 2,000 square foot roof is equal to 20 square.

Knowing approximately how many squares of shingles you have to dispose of makes it easier to communicate that info to the dumpster rental company, who can then recommend the right sized container.

What size dumpster do I need for “X” amount of shingles?

Deciding whether a 10, 20, 30, or 40 yard dumpster is the right size for your re-roofing project depends on the type of shingle and how much of it you have.

  1. What is the square footage of the roof you are tearing off?
  2. How many roofing square is that?   Square footage/100=Squares
  3. How many layers are begin torn off?

For example, a 20 square roof with two layers of shingles will actually produce shingle waste equal to 40 squares.

Know how many layers of existing shingles are on your roof prior to ordering the dumpster to ensure you choose the right one and avoid having to get a second dumpster later.

Let’s look at some examples…

3-tab shingles weigh about 300 lbs per square

  • 10 square of roofing shingles = 1.5 tons of total weight: Go with a 15 yard dumpster
  • 20 square of roofing shingles = 3 tons of total weight: Go with an 15 or 20 yard dumpster
  • 30 square of roofing shingles =  4.5 tons of total weight: Go with a 20 or 30 yard dumpster
  • 40 square of roofing shingles = 6 tons of total weight: Go with a 30 yard dumpster
  • 50 square of roofing shingles = 7.5 tons of total weight: Go with at least a 30 or 40 yard dumpster
  • 60 square of roofing shingles = 9 tons of total weight: Go with a 40 yard dumpster.

Architectural shingles weigh about 400 lbs per square

Architectural-style roofing shingles are heavier and take up a bit more space compared to 3-tab shingles, so you’ll need a slightly larger dumpster to accommodate the extra bulk.

  • 10 square of roofing shingles = 2 tons of total weight: Go with a 15 yard dumpster
  • 20 square of roofing shingles = 4 tons of total weight: Go with an 15 to 20 yard dumpster
  • 30 square of roofing shingles = 6 tons of total weight: Go with a 30 yard dumpster
  • 40 square of roofing shingles = 8 tons of total weight: Go with a 30 to 40 yard dumpster
  • 50 square of roofing shingles = 10 tons of total weight: Go with a 40 yard dumpster
  • 60 square of roofing shingles = 12 tons of total weight: Go with a 40 yard dumpster

If you are tearing off a roof that is 1820 square feet and the roof has 2 layers of 3 Tab Shingles

1820 sq ft/100= (18.2 squares) x 2 layers = 36.4 squares

Plan to round up. For a job of 40 squares of roofing shingles we will be in the ballpark of 6 tons and get a 30 Cubic Yard Dumpster.

Western Disposal Pricing shows that a 30 yard container in Albuquerque is $350 (2016.) This pricing includes 3.5 tons with additional tonnage being $30 per.

I will estimate the disposal costs on this project to be $350 (base) + $75 (additional tonnage) + $30.54 (tax) = $455.54.

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