Owens Corning
Architectural shingles
Metal roofing
Tile roofing
GAF
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Why Inglewood Homeowners Choose Owens Corning Roofing
Chatham Roof Repair provides independent Owens Corning repair in Inglewood, from Morningside Park to the flats north of Florence. We service the full Owens Corning shingle lineup, including Duration, Oakridge, Supreme, and Berkshire, handling everything from wind-damaged shingle replacement to leak diagnosis and flashing repair. We are not an Owens Corning authorized contractor, and we will tell you that up front. What we are is a roofing-only crew that has spent years learning exactly how Owens Corning products fail in Inglewood’s marine layer and Santa Ana wind conditions, and we fix them without pushing a replacement when a repair will do the job. Call (866) 361-1724 for a straight assessment.
Why Trust Chatham Roof Repair for Your Owens Corning Roofing?
Nelson Quarry, our owner, grew up in Morningside Park and has spent the better part of three decades watching what Southern California weather does to a roof that was not installed right the first time. He learned the trade at Los Angeles Trade-Technical College and spent years in the field across the South Bay before settling back in Inglewood where his family still lives. Nelson is known locally for flat-roof diagnostics, the kind of slow hidden leaks that show up on a ceiling six feet from where the actual problem is. That diagnostic instinct carries over to every Owens Corning roof we touch. We know how Duration shingles behave when the Santa Ana winds hit, why Oakridge granule loss accelerates on sun-exposed slopes, and where flashing fails on Inglewood’s mix of 1940s bungalows and 1960s flat-roof apartment blocks. We are a roofing-exclusive contractor, not a generalist juggling a dozen trades, so Owens Corning shingles, underlayments, and flashing details get our full attention on every job.
Styles & brands we work with






Common Owens Corning Roofing Problems We Fix in Inglewood
Inglewood’s coastal fog and damp onshore air keep wood decking wet far longer than inland cities like Hawthorne or Lennox. That moisture, combined with occasional Santa Ana wind events, creates a specific set of failure patterns on Owens Corning roofs. Here is what we see most often:
- Adhesive strip failure on Duration shingles. Duration shingles rely on a heat-activated sealant strip to bond the shingle layers together. In Inglewood, the morning marine layer keeps roofs cool and damp for hours, which can prevent the sealant from ever fully activating during installation. When a Santa Ana event hits, the unsealed shingles catch wind and lift, sometimes tearing away entirely. We see this most on north and west eaves where fog sits longest. The fix is replacing the lifted shingles and reinforcing the sealant strips before the next wind event.
- Premature granule loss on Oakridge shingles. Oakridge is a solid shingle, but Inglewood’s intense UV exposure on south-facing slopes accelerates granule shedding over time. The granules protect the asphalt from UV breakdown, so once they go, the shingle ages fast. We often find bare patches on roofs in Fairview Heights and the slightly elevated areas toward the oil fields where sun exposure is higher. If caught early, spot replacement is possible. If the granule loss is widespread, the roof is telling you it is near the end.
- Valley and penetration flashing failures. Owens Corning shingles are only as good as the flashing where they meet metal, tile, or walls. In Inglewood, many homes were re-roofed during the 1980s seismic retrofit and LAX flyover-era churn, and we routinely find valleys where the flashing was underlapped or nailed wrong. The result is persistent leaks that show up on ceilings far from the actual penetration. We re-flash these transitions with correct overlap and sealant details.
- Deteriorating vent boot collars on Owens Corning roofs. The rubber collar around plumbing vents cracks and shrinks after years of damp coastal air and sun. Once the collar splits, water runs straight down the vent pipe into the attic. This is one of the most misdiagnosed leaks in Inglewood, because the water stains appear near the vent but the actual crack is up under the shingle course. We replace vent boots with quality components and re-seal the surrounding shingles.
- Flat-roof parapet and scupper problems on low-slope Owens Corning installations. Many Inglewood apartment buildings from the 1950s and 1960s use modified bitumen or torch-down systems with Owens Corning accessories at parapet walls and scuppers. When the scuppers clog with ash and tree debris, water ponds and backs up under the parapet flashing. The leak looks like roof failure, but the real issue is drainage. We clear scuppers, repair parapet flashing, and restore proper drainage before recommending anything more invasive.
Owens Corning Parts & Our Repair-vs-Replace Approach
When we repair an Owens Corning roof, we use Owens Corning OEM shingles and accessories for the replacement pieces so the color, profile, and warranty class match what is already on the roof. That matters in Inglewood, where a mismatched shingle color on a 1950s bungalow is visible from the street and can become an eyesore. We also stock quality aftermarket underlayments and flashing components when they offer better durability for Inglewood’s damp coastal climate. Owens Corning makes good underlayment, but certain aftermarket synthetic products handle prolonged moisture exposure better on low-slope sections. The decision on repair versus replacement comes down to what we find during inspection. If the decking is sound and the shingles have life left, we repair. If the granule loss is widespread or the sealant strips have failed across large sections, we will tell you honestly that replacement is the smarter long-term move. We are called Chatham Roof Repair for a reason. We look for the repair before we recommend the replacement. Call (866) 361-1724 for an honest assessment.
Our Owens Corning Service Process – Step by Step
- 1
Diagnosis. We inspect the Owens Corning shingles, underlayment, flashing, and vent boots. We check sealant strip adhesion on Duration, granule condition on Oakridge, and moisture levels in the decking. Nelson’s flat-roof diagnostic background means we trace the leak to the actual source, not just the stain on the ceiling.
- 2
Repair or install. We use Owens Corning OEM shingles for replacements, matched in color and profile. Flashing is re-done with correct overlap details. Vent boots are replaced and sealed. For full installations, we follow Owens Corning’s installation specs for nailing patterns, sealant activation, and valley details.
- 3
Test. After the repair or install, we water-test the repaired areas and check for proper drainage. On flat sections, we verify scuppers and parapet flashing are moving water off the roof, not pooling it.
- 4
Warranty and follow-up. We document what was done and stand behind our workmanship. The applicable Owens Corning manufacturer warranty remains intact, and we explain what is covered by the manufacturer versus what our workmanship covers.
See the difference
Before
After
Before
After
Before
AfterOwens Corning Products We Service & Install in Inglewood
We work with the full Owens Corning shingle lineup. Duration is Owens Corning’s premium architectural shingle with SureNail technology, and we see it on many Inglewood homes built or re-roofed in the last 15 years. Oakridge is the mid-tier architectural shingle, common on 1980s and 1990s re-roofs. Supreme is the 3-tab shingle we find on original 1940s through 1960s bungalows, often brittle and past their useful life. Berkshire is the premium luxury shingle with a slate-like profile, typically found on higher-end Inglewood homes. We stock common colors locally for fast turnaround on repairs.
We Also Service These Brands
Chatham Roof Repair installs products from seven major roofing manufacturers. We also service GAF and CertainTeed roofs, and our multi-brand capability means we can match an existing roof system rather than forcing a single-brand solution. Seven major brands, you choose the product that fits your roof, your budget, and your warranty goals.
FAQs – Owens Corning Roofing Service in Inglewood
No, we are an independent Owens Corning service provider. We are not part of the Owens Corning Roofing Contractor Network or any manufacturer authorization program. What we offer is hands-on experience installing and repairing Owens Corning shingles, underlayments, and accessories across Inglewood, without being tied to manufacturer warranty program requirements. Your Owens Corning manufacturer warranty remains valid when we perform repairs using OEM materials.
Yes, in many cases we can. We recently repaired an Owens Corning Duration roof in Inglewood where high winds had lifted several shingles and torn the adhesive strips. Our crew replaced the damaged shingles with matching Duration shingles, reinforced the sealant strips, and re-flashed the sidewall to prevent future wind uplift. The color had been discontinued, but we were able to source a close match that blended acceptably. If an exact match is not available, we will show you the closest option before we proceed. Call (866) 361-1724 for an assessment of your specific roof.
Premature granule loss on Oakridge shingles in Inglewood is usually caused by intense UV exposure on south-facing slopes combined with thermal cycling from cool damp mornings to hot afternoons. The granules shield the asphalt from UV breakdown, so once they shed, the shingle degrades rapidly. If the granule loss is isolated to one slope, spot replacement may be an option. If it is widespread, the roof is likely near the end of its service life. Call (866) 361-1724 and we will tell you what we find, straight.
We use Owens Corning OEM underlayment when it matches the existing system and offers appropriate performance for the specific roof section. On Inglewood’s low-slope and flat-roof sections where marine layer moisture is a constant factor, we sometimes recommend a quality aftermarket synthetic underlayment that handles prolonged moisture exposure better. We will explain the trade-off clearly before any material decision is made.
Yes, in most cases. A cracked rubber vent boot collar is a common leak source on Owens Corning roofs in Inglewood, and it is typically a targeted repair. We replace the vent boot, re-seal the surrounding shingles, and confirm the leak is stopped. No full roof replacement needed unless the surrounding decking shows significant rot. Call (866) 361-1724 to schedule an inspection.
The answer depends on the age of the shingles, the extent of the damage, and the condition of the decking underneath. On older Duration or Oakridge systems with widespread granule loss or failed sealant strips, replacement is often the more cost-effective long-term choice. On newer roofs with isolated wind damage or a single flashing failure, a targeted repair makes more sense. We will show you the condition of your roof during the inspection and explain the numbers behind both options. Estimates are free, call (866) 361-1724.
Book Your Owens Corning Service in Inglewood, CA
A roof doesn’t lie, it just takes a while to tell you what it knows. If your Owens Corning roof is showing signs of trouble, or if you just want a straight assessment before the next Santa Ana event, call Chatham Roof Repair at (866) 361-1724. Free estimates, honest answers, and no pressure to replace what can be repaired.
Written by Nelson Quarry, Owner at Chatham Roof Repair, serving Inglewood roofing needs for decades.