If that 1,600 is the ground footprint of a single story house, the roof is nearer 1,800 to 2,000 square feet once pitch and overhangs are counted. Expect roughly 7,000 to 18,000 dollars for exposed fastener panels and 18,000 to 36,000 for standing seam steel.
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Because a sloped surface covering a given footprint is always larger than the footprint, and the overhangs add more.
| Pitch | Footprint multiplier | 1,600 sq ft becomes |
|---|---|---|
| 4:12 | 1.05 | about 1,680 sq ft |
| 6:12 | 1.12 | about 1,790 sq ft |
| 8:12 | 1.20 | about 1,920 sq ft |
| 12:12 | 1.41 | about 2,260 sq ft |
Add overhangs on top. how the work is sequenced covers the rest of the estimate.
Considerably, and in your favor on material. A 1,600 square foot two story house has roughly half the footprint, so perhaps 900 square feet of roof rather than 1,800.
Labor moves the other way. Working at greater height is slower, needs more fall protection, and complicates getting long panels onto the roof. The saving is real but smaller than the area difference suggests. what drives a metal roof quote covers what the job involves.
Usually people mean the house. The roof is larger on a single story home and smaller on a two story one, so establish which before comparing quotes.
Measure the rise over 12 inches of horizontal run. A rise of 6 inches over 12 is a 6:12 pitch.
Yes, on both counts. More area for the same footprint, and slower work with more fall protection.
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