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Owens Corning Construction in Redwood Shores, CA | Ashford Contractors
We provide independent Owens Corning sales & service for roofing installation, repair, and gutter work across Redwood Shores, and the one thing that sets our work apart here is that we know how bayfront salt air and engineered fill actually affect these roofs. Redwood Shores sits on reclaimed bay land, so corrosion hits flashings and fasteners before the shingle field fails, and we plan for that. As an independent contractor, we’re not authorized or endorsed by Owens Corning, but we’ve installed and repaired their systems across the Peninsula for years. Call (877) 752-3868 for a free estimate.
Why Redwood Shores Residents Choose Us for Owens Corning Service
Glen Mossier grew up in Owens Corning in Foster City‘s Marlin Cove neighborhood watching lagoon-side homes get rebuilt after water damage, and that early lesson stuck: good construction is what keeps a house standing through decades of Bay Area weather. He trained in construction technology at Skyline College, where materials science actually mattered more than the framing diagrams. That background is why our crews in Redwood Shores approach Owens Corning roofs as a system, not just shingles. We match Duration Series and Oakridge architectural shingles with genuine ProArmor underlayment and WeatherLock membrane at every valley and eave, because we’ve seen what happens when someone saves a few dollars on off-brand accessories. On a two-story stucco home off Redwood Shores Parkway, our crew tore off a failing 1990s Owens Corning Supreme 3-tab roof and found the valley metal and drip edge rusted through from years of salt-laden bay fog. We replaced the flashing, installed WeatherLock at the valleys, and laid down Duration shingles with ProArmor underlayment, then added new gutters to handle the winter runoff. That’s the difference between a crew that knows Redwood Shores and one that just knows roofing.
Styles & brands we work with







Common Owens Corning Construction Problems We Solve in Redwood Shores
- Rusted drip edge and valley metal. Salt-laden air off San Francisco Bay corrodes the galvanized metal on Owens Corning roofs faster here than a few miles inland. We routinely find drip edge rusted through while the shingles still have years left, and we replace it as part of any roof repair.
- Granule loss and cupping on 1980s and 1990s 3-tab Supreme roofs. The original build-out of Redwood Shores used a lot of Owens Corning Supreme and WeatherGuard 3-tab shingles, and those roofs are now at end of life. South- and west-facing slopes take the worst of the UV and salt haze, so that’s where we see cupping and bare spots first.
- Starter course tab lift at rake and eave edges. Wind-driven rain on two-story Mediterranean homes can lift improperly sealed starter tabs, especially on Duration installs where the edge sealing was skipped. We see this pattern a lot on the wider, exposed gable ends common in Redwood Shores housing stock.
- Attic deck staining without a visible leak. Fog-driven moisture and winter rain ponding on low-slope sections can wick under ProArmor underlayment seams and show up as staining on the attic deck. Homeowners often don’t notice until we open up the roof for an unrelated repair.
- Gutter and downspout failure from winter runoff. Redwood Shores gets real rain in winter, and the high groundwater around the engineered fill means drainage has to work. We replace undersized or corroded gutters when we do Owens Corning roof work so the system handles the runoff instead of puddling at the foundation.
Owens Corning Service in Redwood Shores: What Local Conditions Mean for Your Roof
Redwood Shores was master-planned and built almost entirely in the 1980s and 1990s on engineered fill over former salt ponds. That history shapes every Owens Corning roof we work on here. The high ambient moisture from the bay and the protected wetlands means fog sits on these roofs for hours most mornings, and that fog carries salt. Salt corrodes metal, plain and simple. So when we inspect an Owens Corning roof in Redwood Shores, we’re looking as hard at the drip edge, valley metal, and exposed fasteners as we are at the shingle field. In neighborhoods like the ones along Redwood Shores Parkway and the lagoon-front streets, we’ve found flashings rusted through on roofs where the shingles themselves still had five to seven years of life left. That’s the Redwood Shores pattern. If you’re a few miles inland in Owens Corning in San Carlos or Belmont, the same roof ages differently. Here, metal detail replacement often matters more than the shingle field. A roof replacement that ignores the flashing is a roof replacement you’ll be doing again too soon. Build it right the first time, and you won’t be rebuilding it in ten years.
Owens Corning Models & Products We Service in Redwood Shores
We install and repair the full Owens Corning residential range, but the lines we see most often in Redwood Shores are the original Supreme and WeatherGuard 3-tab shingles from the 1980s and 1990s build-out, plus the Oakridge and Duration Series architectural shingles that replaced them over the years. We stock ProArmor synthetic underlayment, WeatherLock ice-and-water membrane, and matching hip-and-ridge accessories locally so Redwood Shores turnaround doesn’t depend on a distributor’s delivery schedule. On the parts question: we use genuine Owens Corning accessories on Owens Corning roofs. Mixing brands on underlayment or ridge caps voided more warranties than it ever saved in labor, and we won’t do that to a Redwood Shores homeowner. We also handle gutters and downspouts, which matter more here than most places because of winter runoff and the high water table under the engineered fill.
See the difference
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AfterOwens Corning Service Pricing in Redwood Shores
What you’ll pay depends on the size of the roof, the Owens Corning line you choose, and how much metal and underlayment work the existing roof needs. Here are the ranges we quote across Redwood Shores:
| Service | Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Metal Roof Installation | $15,000 – $40,000 |
| Tile Roof Repair | $600 – $2,500 |
A Redwood Shores roof that needs extensive flashing replacement will land higher in the repair range because the metal work is the bulk of the labor and material cost. Every estimate we give is written and line-itemed, and it includes the underlayment, flashing, and ventilation work, not just shingle count. Call (877) 752-3868 to schedule your free estimate, and we’ll walk the roof with you.
Serving Redwood Shores, CA — Our Local Coverage Area
We’re a Redwood Shores General Contractor based in the area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Owens Corning Construction in Redwood Shores
Yes, and mostly through the metal, not the shingle itself. Salt-laden fog off the bay accelerates corrosion on drip edge, valley metal, and fasteners, which can fail years before the Owens Corning shingle field does. In Redwood Shores, we recommend inspecting the flashing and edge metal every few years and replacing corroded sections early, because that’s what protects the roof deck. Call (877) 752-3868 if you want us to take a look.
At 25 to 35 years old, a Supreme or WeatherGuard 3-tab roof from the original Redwood Shores build-out has typically outlived its useful life. Granule loss and cupping on the south- and west-facing slopes are the tell. If the roof is otherwise sound and the problem is one isolated area, we’ll repair it honestly. If the shingles are brittle and losing granules across multiple slopes, replacement is the better spend before a leak does real damage to the sheathing. Call (877) 752-3868 for an inspection and a straight answer.
Yes. Because much of Redwood Shores sits on engineered fill over former salt ponds, any roof project that changes drainage patterns or adds rooftop equipment can trigger BCDC or flood-plain review. We handle the permitting paperwork and coordinate with the city so the roof work stays compliant, and we do it as part of the same scope rather than leaving it to you. Call (877) 752-3868 and we’ll explain what applies to your specific lot.
We use Owens Corning ProArmor synthetic underlayment and WeatherLock ice-and-water membrane at valleys, eaves, and any low-slope section where fog moisture and winter rain are known to wick under seams. Redwood Shores’ morning fog sits on roofs for hours, and the ponding that happens on low-slope sections over engineered fill soffits means the underlayment has to be sealed properly, not just laid down. Call (877) 752-3868 to get a written quote with the underlayment spec included.
Most two-story Mediterranean homes in Redwood Shores take three to five working days for a full tear-off and Owens Corning replacement, depending on how much flashing and gutter work is in the scope. If the existing drip edge and valley metal are rusted through, which is common here, that adds time because the metal work is detailed and has to be done right. We’ll give you a day-by-day schedule before work starts. Call (877) 752-3868 for a timeline on your specific roof.
Service Areas Near Redwood Shores
Our crews work throughout Redwood Shores and the surrounding Peninsula, so if you’re nearby you’ll get the same Owens Corning expertise. We regularly serve Redwood Shores service area, Foster City, Owens Corning service in Belmont, Owens Corning service in San Mateo, San Carlos, and Highlands-Baywood Park. If you’re unsure whether we cover your street, call and ask.
Book Your Owens Corning Service in Redwood Shores Today
Whether you need a roof inspection, a flashing repair, or a full Owens Corning replacement, the next step is the same: call (877) 752-3868 and schedule your free estimate. We’ll show up, walk the roof with you, and give you a written line-item quote with the Owens Corning products and metal details spelled out. No pressure, just a straight answer on what your Redwood Shores roof needs.
Written by Glen Mossier, Owner at Ashford Contractors, serving Redwood Shores and the greater San Mateo County area.