Install Flat, Foam, or Single Ply Roofing Cost in New Hampshire in 2026
Most Install Flat, Foam, or Single Ply Roofing projects in New Hampshire cost between $11,500 and $36,000. The typical price is $19,500.
Labour and materials in New Hampshire run about 3% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Architectural asphalt versus metal, tile or slate
- Roof pitch and number of stories
- Tear-off of one or more existing layers
- Decking replacement found once the old roof is off
Usually included
- Tear-off and disposal
- Underlayment, drip edge and flashing
- Shingles and ridge vent
- Manufacturer material warranty
Usually extra
- Deck replacement beyond a few sheets
- Gutters
- Structural repair
Unit prices in New Hampshire
| Quality tier | Cost per square |
|---|---|
| Budget | $530 |
| Mid-range | $880 |
| High-end | $1,650 |