# Roofing square: what it means

> 100 square feet of roof coverage. The unit roofers estimate and order in, and the unit that lets you predict tear-off weight. Independent and sourced — we do…

Source: https://dumptergod.shop/glossary/roofing-square/
Last reviewed: 2026-08-17

# Roofing square

Definition
100 square feet of roof coverage. The unit roofers estimate and order in, and the unit that lets you predict tear-off weight.

## What else to know about roofing square

Three-tab shingles run about 250 pounds per square; architectural closer to 400. A 30 square roof is roughly 3.7 to 6 tons before underlayment or a second layer.

## Related terms
- Tonnage allowance — The weight included in the rental price, in tons. A commercial term set by the hauler, not a property of the container.

## Related questions
- The full glossary
- Costs
- Sizes
- What can go in

Reviewed by [R. Tiwari](https://dumptergod.shop/authors/r-tiwari/) Last reviewed: 2026-08-17