Roofing
Roofing Tear-Off Dumpster Sizing by Squares
How to size a dumpster for a roofing tear-off in Hagerstown, MD by roof squares and layer count, not guesswork. Call (301) 635-5810.

Roofing debris is one of the most common ways a customer under-sizes a dumpster, because shingles look modest in a pile but weigh far more than they look. Here's how we actually size a roofing tear-off, using roof squares rather than guesswork.
What's a "square," and why it matters
Roofers measure roof area in squares — one square equals 100 square feet. A single layer of standard asphalt shingles weighs roughly 200 to 300 pounds per square, and most homes needing a tear-off have at least one old layer already down, sometimes two. That weight adds up fast, and it's the single biggest factor in sizing a roofing dumpster correctly.
A rough sizing guide by roof size and layers
| Roof size | Layers | Typical size |
|---|---|---|
| Up to 15 squares | 1 layer | 10-15 yard |
| Up to 15 squares | 2 layers | 15-20 yard |
| 15-25 squares | 1 layer | 15-20 yard |
| 15-25 squares | 2 layers | 20 yard |
| 25+ squares | 1-2 layers | 20-30 yard |
These are starting points, not guarantees — shingle type, underlayment, and how much old decking or flashing is coming off all shift the number. When in doubt, tell us the roof size and layer count and we'll size it precisely.
Why volume alone gets this wrong
A 30 yard container looks like it should easily hold a modest roof's worth of shingles, but the weight allowance runs out long before the box looks full. Sizing by squares and layers, rather than by how big the pile looks, is what actually keeps a roofing job inside its weight allowance.
What else typically comes off with the shingles
Old flashing, underlayment, and sometimes sections of decking come off alongside the shingles themselves. None of that changes the fundamentals — it's still dense, heavy material — but it's worth mentioning on the phone if a significant amount of decking is being replaced too, since that adds real weight.
Placement for a roofing job
Roofing debris usually gets thrown directly off the roof into the container, so placement close to the work area — without sitting under power lines or overhanging branches — matters more here than on a typical cleanout. Tell us where the roofline sits relative to your driveway and we'll plan placement accordingly.
Planning a tear-off? Call (301) 635-5810 with your roof's square footage and layer count, and we'll size the container correctly the first time. Or see our full sizing guide for a broader comparison of all five container sizes.
Need a container in Hagerstown or anywhere in Washington County? Call (301) 635-5810 and describe the job. We will name the size, the flat rate and a delivery slot — often the same day. No forms, no waiting on an email.