Shingles for a 900 sq ft roof
30 bundles of shingles
for 900 sq ft of roof (9 squares) with 10% waste, at 3 bundles per square.
Materials for a 900 sq ft roof
| Squares | 9 |
|---|---|
| Bundles, gable roof (10% waste) | 30 |
| Bundles, hip roof or valleys (15% waste) | 32 |
| Synthetic underlayment (1,000 sq ft rolls) | 1 |
| #15 felt (400 sq ft rolls) | 3 |
| Roofing nails | about 23 lb |
If 900 sq ft is the footprint, not the roof
Measured flat from above, a footprint of 900 sq ft makes a bigger roof once you account for the slope:
| Pitch | Roof area | Squares | Bundles |
|---|---|---|---|
| 4/12 | 949 sq ft | 9.5 | 32 |
| 6/12 | 1,006 sq ft | 10.1 | 34 |
| 8/12 | 1,082 sq ft | 10.8 | 36 |
| 10/12 | 1,172 sq ft | 11.7 | 39 |
| 12/12 | 1,273 sq ft | 12.7 | 43 |
Start from your house footprint instead
Other roof sizes
- 500 sq ft
- 600 sq ft
- 700 sq ft
- 800 sq ft
- 1,000 sq ft
- 1,100 sq ft
- 1,200 sq ft
- 1,300 sq ft
- 1,400 sq ft
- 1,500 sq ft
Questions
- How many bundles of shingles for a 900 sq ft roof?
- 30 bundles: 9 squares plus 10% waste, at 3 bundles per square. Allow 32 for a hip roof or one with valleys.
- How many squares is a 900 sq ft roof?
- 9 squares (a square is 100 sq ft of roof).
- How much does it cost to shingle a 900 sq ft roof?
- Shingles alone run about $1,200 at $40 a bundle. A full asphalt shingle replacement typically costs $4 to $8 per sq ft installed: $3,600 to $7,200.
- My house is 900 sq ft. How big is the roof?
- Bigger than the house. For a one-story 900 sq ft house with a 6/12 roof and 1 ft overhangs, the roof is roughly 1,130 sq ft. Two-story homes have about half the roof area for the same floor space.