At a glance: John Beal Roofing replaced the roof on North Holly Street in Shipman, IL 62685, finishing October 20, 2026. 16.67 squares of Owens Corning OC Duration, installed over synthetic underlayment across the full deck. Handled by our St. Louis office (314-429-6000).
Our crew finished a 16.67-square roof, right around the size of a typical single-story ranch on North Holly Street in Shipman, IL on Tuesday, October 20. Shipman is a Macoupin County village in southwestern Illinois, north of Alton. We replaced 1 other roof in ZIP 62685 that same month. The system: synthetic underlayment across the full deck, ice and water membrane in the valleys and at the eaves, and OC Duration on top.
Project record
| Location | North Holly Street (Shipman, IL 62685) |
|---|---|
| Completed | Tuesday, October 20, 2026 |
| Opened to completed | 112 days |
| Roof size | 16.67 squares (about 1,667 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 | Factory starter |
| Hip & ridge | Owens Corning Hip & Ridge |
| Ventilation | Lomanco Omni Roll ridge vent |
| Warranty | Lifetime workmanship warranty |
| Project number | STL063026004 |
Want to see what OC Duration looks like on a whole house? Try every color in our OC Duration color selector.
Materials installed, layer by layer
Owens Corning TruDefinition Duration uses SureNail Technology, a woven strip across the nailing zone that gives the fasteners something to grab and helps the shingle stay down in high wind. 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 over the whole deck. It’s stronger and more tear-resistant than felt, and it lies flat if weather rolls in during the tear-off.
- Self-sealing ice and water membrane where water concentrates. It seals around every nail driven through it, which matters in valleys and at the eaves.
- Factory 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.
- Owens Corning 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 did the work
John Beal Roofing crews out of our St. Louis office installed this roof. The job was opened in our system on June 30, 2026 and the crew finished on October 20, 2026, 112 days later. We’ve been family-owned since 1947, and every roof comes with our lifetime workmanship warranty on top of the manufacturer’s material coverage. If a storm opens up a roof at 2 a.m., someone answers the phone. See 24/7 emergency service.
Need a roof in Shipman?
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 Shipman roof?
Owens Corning OC Duration, over synthetic underlayment across the full deck. The full system is in the project details table above.
How big was the roof on North Holly Street?
16.67 squares, or about 1,667 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.
What kind of ventilation went on this roof?
A Lomanco Omni Roll ridge vent along the peak. Paired with soffit intake, it lets hot, moist attic air escape.
Was ice and water shield installed?
Yes. Alco Ice & Water membrane went in the valleys and along the eaves, the spots where water backs up or collects first.
Who do I call about a roof in Shipman?
Our St. Louis office at 314-429-6000. A person answers 24 hours a day, including nights, weekends and holidays.