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* Ensures proper installation and prevents leaks
* Provides warranties on materials and workmanship
* Saves time and effort on your project
* Complies with safety standards and building codes
* Valid contractor’s license
* Manufacturer certifications (e.g., metal roofing specialists)
* Minimum 5+ years of roofing experience
* Photos of completed projects
* Customer reviews & testimonials
* Experience with projects similar to yours (residential/commercial)
* Material costs (shingles, tiles, metal)
* Warranty terms (10+ years on materials, 2+ years on labor)
* Clear project timeline
| Type | Best For | Pros |
|---|---|---|
| Metal Roofing Contractors | Hot/rainy climates | Long lifespan, durability |
| Asphalt Shingle Contractors | Budget-friendly projects | Fast installation, affordable |
| Green Roof Specialists | Eco-friendly buildings | Excellent insulation, sustainable |
✔ Get at least 3 detailed quotes
✔ Request a written warranty
✔ Ask for itemized invoices (material breakdown)
✔ Avoid full upfront payments (max 30% deposit)
Q: How to spot a bad roofing contractor?
No written contract
Requests large upfront payments
Lacks portfolio/references
Q: How long does a roof installation take?
Typically 3–7 days (depends on roof size & material)
Q: Can I install a new roof over the old one?
Sometimes, but full tear-off is recommended for best results
1. Trusted contractor platforms (Angi, HomeAdvisor)
2. Ask for referrals from friends/neighbors
3. Visit ongoing job sites to inspect work quality
For the best service:
✓ Verify liability insurance
✓ Request material purchase receipts
✓ Get project specs in writing before starting