Roof size reference
Roof size for a 1,400 sq ft house
One story: about 16.2–18.5 squares (1,623–1,851 sq ft of roof) at 4/12–8/12. Two stories: about 8.1–9.3 squares over a 700 sq ft footprint.
1,400 sq ft ranch, by pitch
| Pitch | Roof sq ft | Squares | Bundles* | Ice barrier sq ft |
|---|---|---|---|---|
| 4/12 | 1,623 | 16.2 | 54 | 577 |
| 5/12 | 1,668 | 16.7 | 56 | 577 |
| 6/12 | 1,722 | 17.2 | 57 | 577 |
| 7/12 | 1,783 | 17.8 | 59 | 577 |
| 8/12 | 1,851 | 18.5 | 62 | 577 |
| 9/12 | 1,925 | 19.3 | 64 | 577 |
| 10/12 | 2,005 | 20.1 | 67 | 577 |
| 12/12 | 2,178 | 21.8 | 72 | 577 |
*3/square + 10% waste. Footprint 1,400 + 10% overhang = 1,540 sq ft.
Two stories instead?
A two-story 1,400 sq ft house sits on about 700 sq ft, so its roof is 8.1–9.3 squares. A 2,800 sq ft two-story has about the same roof as this one-story.
Early budget · architectural shingles · our provisional setting
$8,100 – $18,500
1,400 sq ft ranch, 16.2–18.5 squares, Ohio and Michigan. Two-story: $4,100–$9,300.
Winter details for 1,400 sq ft in Ohio or Michigan
Attic vents. With about 1,400 sq ft of attic floor, the IRC R806.2 ratios work out to 1,344 sq in of net free vent area at 1/150 or 672 sq in at 1/300, about 336–672 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 1,400 sq ft ranch has about 96 ft of eaves. At 6/12 with a 12-inch overhang that is 2 courses (40.2 in up the slope), roughly 577 sq ft of membrane where your local code calls for it.
Frequently asked questions
How many squares is a 1,400 sq ft ranch roof?
About 16.2 to 18.5 squares between 4/12 and 8/12; at 6/12 it is 17.2 squares (1,722 sq ft).
How many bundles for a 1,400 sq ft one-story house?
54–62 bundles at 3 per square with 10% waste; 57 at 6/12.
What about a two-story 1,400 sq ft house?
Its footprint is about 700 sq ft, so the roof is roughly 8.1–9.3 squares.
Early budget for a 1,400 sq ft ranch roof?
$8,100–$18,500 for architectural shingles using our provisional $500–$1,000 per square setting, not a quote.