At a glance: In short: 17.00 squares, OC Duration, synthetic underlayment across the full deck, ridge vent, lifetime workmanship warranty. Iowa Street, Granite City, IL 62040, done October 30, 2026 by our St. Louis crew (314-429-6000).
On Iowa Street in Granite City, IL (a Madison County city across the river from north St. Louis), the crew tore off and replaced a 17.00-square roof, right around the size of a typical single-story ranch. It was one of 3 roof replacements our crews completed in Granite City in October 2026. On top: Owens Corning Duration. Underneath: synthetic underlayment across the full deck plus ice and water membrane where water collects.
Job specs
| Location | Iowa Street (Granite City, IL 62040) |
|---|---|
| Completed | Friday, October 30, 2026 |
| Opened to completed | 58 days |
| Roof size | 17.00 squares (about 1,700 sq ft) |
| Scope of work | Full tear-off and roof replacement |
| Shingle | Owens Corning — OC Duration |
| Underlayment | JBI Synthetic |
| Ice & water | Alco Ice & Water |
| Starter course | OC Starter |
| Hip & ridge | OC ProEdge Hip & Ridge |
| Ventilation | Lomanco Omni Roll ridge vent |
| Warranty | Lifetime workmanship warranty |
| Project number | STL090226021 |
Want to see what OC Duration looks like on a whole house? Try every color in our OC Duration color selector.
The roofing system on this house
The feature that defines Owens Corning Duration is SureNail Technology, a tough woven fabric band in the nailing zone that the fasteners go through for better hold. People shop for the shingle, but what’s underneath it and how the edges are finished decide how long the roof lasts. On this job:
- Synthetic underlayment, edge to edge. It doesn’t wrinkle or tear like felt, and it keeps the deck dry if a shower pops up mid-job.
- Ice and water membrane at the eaves and in the valleys. This self-adhering layer goes where water backs up: behind ice dams at the eaves and where two slopes meet.
- OC Starter at the eaves and rakes. It’s a purpose-made starter strip with factory adhesive, not cut-up field shingles, so the edges stay sealed.
- OC ProEdge Hip & Ridge on the hips and peak. Matching cap shingles made for the job, not field shingles cut into pieces.
- Lomanco Omni Roll ridge vent. Continuous exhaust at the peak. Together with the soffit intake, it moves heat and moisture out of the attic.
Who installed it
This was a St. Louis office job, installed by John Beal Roofing. The job was opened in our system on September 2, 2026 and the crew finished on October 30, 2026, 58 days later. Family-owned since 1947, we back every replacement with a lifetime workmanship warranty. We answer the phone around the clock, storms included. See 24/7 emergency service.
Need a roof in Granite City?
Free inspection, documented slope by slope, no obligation. St. Louis office: 314-429-6000
Questions homeowners ask about this project
What shingle was installed on this Granite City roof?
Owens Corning OC Duration, over synthetic underlayment across the full deck. The full system is in the project details table above.
How long did this project take from start to finish?
58 days from the day the job was opened to the day the crew finished. Most of that time is scheduling, material ordering and any insurance paperwork. The tear-off and install usually take a day or two on a house this size.
How big was the roof on Iowa Street?
17.00 squares, or about 1,700 square feet of roof surface. A roofing square is 100 square feet. Roofs are measured and priced that way, not by the square footage of the floor plan.
Does John Beal Roofing work in Granite City, IL?
Yes. Granite City is served by our St. Louis office, and we've completed 7 roof replacements there in the last few months alone. Call 314-429-6000 for a free inspection.
Do you publish the customer's address?
No. We publish the street name, city and ZIP so you can see we really work in your neighborhood. We leave off the house number and never publish a customer's name.
Who do I call about a roof in Granite City?
Our St. Louis office at 314-429-6000. A person answers 24 hours a day, including nights, weekends and holidays.