Roof size reference
Roof size for a 1,600 sq ft house
One story: about 18.6–21.2 squares (1,855–2,115 sq ft of roof) at 4/12–8/12. Two stories: about 9.3–10.6 squares over a 800 sq ft footprint.
1,600 sq ft ranch, by pitch
| Pitch | Roof sq ft | Squares | Bundles* | Ice barrier sq ft |
|---|---|---|---|---|
| 4/12 | 1,855 | 18.6 | 62 | 617 |
| 5/12 | 1,907 | 19.1 | 63 | 617 |
| 6/12 | 1,968 | 19.7 | 65 | 617 |
| 7/12 | 2,038 | 20.4 | 68 | 617 |
| 8/12 | 2,115 | 21.2 | 70 | 617 |
| 9/12 | 2,200 | 22 | 73 | 617 |
| 10/12 | 2,291 | 22.9 | 76 | 617 |
| 12/12 | 2,489 | 24.9 | 83 | 617 |
*3/square + 10% waste. Footprint 1,600 + 10% overhang = 1,760 sq ft.
Two stories instead?
A two-story 1,600 sq ft house sits on about 800 sq ft, so its roof is 9.3–10.6 squares.
Early budget · architectural shingles · our provisional setting
$9,300 – $21,200
1,600 sq ft ranch, 18.6–21.2 squares, Ohio and Michigan. Two-story: $4,700–$10,600.
Winter details for 1,600 sq ft in Ohio or Michigan
Attic vents. With about 1,600 sq ft of attic floor, the IRC R806.2 ratios work out to 1,536 sq in of net free vent area at 1/150 or 768 sq in at 1/300, about 384–768 sq in of it at the soffits. That balance keeps the deck cold and cuts ice dams.
Eave ice barrier. Assuming a rectangle 1.5 times as long as wide, a 1,600 sq ft ranch has about 103 ft of eaves. At 6/12 with a 12-inch overhang that is 2 courses (40.2 in up the slope), roughly 617 sq ft of membrane where your local code calls for it.
Frequently asked questions
How many squares is a 1,600 sq ft ranch roof?
About 18.6 to 21.2 squares between 4/12 and 8/12; at 6/12 it is 19.7 squares (1,968 sq ft).
How many bundles for a 1,600 sq ft one-story house?
62–70 bundles at 3 per square with 10% waste; 65 at 6/12.
What about a two-story 1,600 sq ft house?
Its footprint is about 800 sq ft, so the roof is roughly 9.3–10.6 squares.
Early budget for a 1,600 sq ft ranch roof?
$9,300–$21,200 for architectural shingles using our provisional $500–$1,000 per square setting, not a quote.