Compare free tPO roofing quotes in Callaghan. Tell us about your roof and up to three local roofing companies will contact you.
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TPO is a heat-welded single-ply membrane common on commercial and low-slope roofs. It is white and reflective, and seam quality is what mostly decides its lifespan.
For Alleghany County, NOAA lists 1 hail report (largest 0.88 in), 8 damaging-wind reports (up to 50 mph) and 0 tornado reports from January 2024 to June 2026. These count reports, not damaged roofs.
Numerous trees were blown down by thunderstorm winds in Eagle Rock near Ball Park Road. Four homes experienced some structural damage from fallen trees, and one vehicle was entirely crushed.
Several trees were blown down by thunderstorm winds in the town of Troutville.
Hail fell ranging in size from pea to quarter size. The hail accumulated on the ground to around a one inch depth. Where hail washed off buildings and accumulated, the depth of the hail reached 12 inches. The next morning (12 hours...
Source: NOAA NCEI Storm Events Database, data through Jun 30, 2026. All storm reports for Callaghan
| Job | Typical US range |
|---|---|
| Flat roof (TPO / EPDM), average home | $5,000 – $12,000 |
National planning ranges for an average ~2,000 sq ft home, not quotes. Local labor, roof pitch, layers to remove, materials and permits change the price.
A thermoplastic polyolefin single-ply membrane whose seams are heat-welded; common on flat commercial roofs.
Both work. TPO is heat-welded and reflective; EPDM is a rubber membrane with glued or taped seams. Installer experience matters more than the name.
Many cities and counties require a building permit for roof work; the roofing company normally pulls it. Ask who is responsible and request a copy. Check with the Alleghany County building department for local rules.
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