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CertainTeed Roofing in Westwood, CA | Marquis Roof Repair
CertainTeed roofing service in Westwood means something specific here: shingles and underlayments built for snow load, ice dams, and wildfire exposure on older mill-era homes. We’re Marquis Roof Repair, and we provide independent CertainTeed service across Westwood, not as a manufacturer-affiliated installer but as roofers who know exactly how CertainTeed systems perform on the town’s simple gable roofs and original sheathing. If your CertainTeed roof is leaking, lifting, or failing after a hard winter, call (866) 705-2978 for a free estimate.
Why Westwood Residents Choose Us for CertainTeed Service
Most Westwood roofs that were re-covered in the last two decades used CertainTeed Landmark or Presidential shingles over original board sheathing from the town’s lumber-mill era. That combination has a specific failure pattern here, and we know it because we see it every winter. Ron Thibodeau grew up in Burbank, studied building construction technology at Los Angeles Valley College, and has spent more than two decades diagnosing roofs across California’s mountain towns before planting Marquis Roof Repair here. That background matters when a Westwood homeowner calls about water staining at a valley line after the first heavy snow. We read CertainTeed’s published installation details for eave ice-dam protection and steep-slope flashing, then quote the work off what the deck actually shows us. We also keep a full lineup of CertainTeed-branded components on hand: WinterGuard ice-and-water shield, RoofRunner underlayment, and color-matched hip-and-ridge and starter. For homeowners across our Westwood service area, that’s the difference between a patch that lasts one season and a repair that holds through the next ten snow cycles.
Styles & brands we work with






Common CertainTeed Roofing Problems We Solve in Westwood
- Eave ice damming on Landmark roofs. Westwood homes tend to have narrow eave overhangs and attic ventilation that was never designed for the snow load this elevation gets. Meltwater refreezes behind the shingle course and backs up under the starter strip. The fix starts at the eave detail, not the shingle itself.
- Freeze-thaw fracturing of shingle tabs. Hard winters cycle water into the shingle surface, where it freezes and weakens the factory sealant strip. Westwood roofs show granule loss and lifted tabs after a heavy snow year, not the sun-baked curling you’d see in valley cities.
- Nail pops through cupped or delaminated sheathing. The original mill-era decking on many Westwood homes has dried and separated over decades. Fasteners back out, telegraph through the CertainTeed field, and open a path for meltwater.
- Missing or improperly lapped WinterGuard at valleys and eaves. We regularly find past re-roofs where the ice-and-water shield was skipped or lapped wrong. The first heavy snow shows up as interior staining right at the valley line.
- Wildfire ember exposure at roof-edge and vent penetrations. Older shingle fields often had no fire-rated assembly detail carried over from the original build. Embers find the gaps at edges and penetrations first.
Every one of these is a CertainTeed-specific problem tied to Westwood conditions, which is why we keep complete CertainTeed component stock rather than generic alternatives. Learn more about our full CertainTeed sales & service capabilities.
CertainTeed Service in Westwood: What Local Conditions Mean for Your Roof
Westwood sits on the eastern slope of the northern Sierra Nevada, high enough that winters bring substantial snow and repeated freeze-thaw cycles while summers stay dry with real wildfire risk. That combination reshapes what CertainTeed shingles have to do here compared to towns forty miles downhill. Snow must shed cleanly without backing up at the eaves. Freeze-thaw cycling means shingle sealant strips and underlayment laps get tested far harder than UV exposure ever tests them in the Sacramento Valley. And the fire season means roof edges and vent penetrations need ember-resistant detailing that older mill-era construction never included. Valley-style low-slope or flat-roof details fail fast under Westwood’s snow load, so we rarely recommend them here. The homes on Ash Street, Birch Street, and the roads off Highway 36 are overwhelmingly simple gable structures. Most are single-story, wood-frame, built during the lumber-mill boom. The sheathing underneath those CertainTeed fields is often the original board decking, and before we ever lay a new shingle we check what that deck is doing. In Westwood, the shingle failure is frequently a deck-and-eave-detail failure in disguise.
CertainTeed Models & Products We Service in Westwood
We service the full CertainTeed residential line that’s actually on roofs in Westwood: Landmark architectural shingles, Presidential Shake and Presidential Solaris, Monogram and NorthGate as entry-level options, and the Integrity Roof System components when a full replacement is warranted: RoofRunner underlayment, WinterGuard ice-and-water shield, and the accessory shingles that finish the job. When a partial repair is called for, we match CertainTeed-branded components rather than mixing in generic underlayment or off-color ridge caps. Mixing underlayments is where ice-dam performance quietly fails, and at Westwood’s snow loads that failure shows up fast. If the field is sound, we repair with color-matched CertainTeed Landmark or Presidential and OEM-lapped WinterGuard at the affected eaves and valleys. When the sheathing beneath is delaminated or the eave detailing can’t be corrected without exposing the deck, we say so plainly and recommend full replacement. That’s the honest call a homeowner needs before spending five figures.
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AfterCertainTeed Service Pricing in Westwood
CertainTeed repair pricing in Westwood depends on what the deck shows us, and the range is honest because we scope the work that way. A targeted shingle replacement on a Landmark field typically runs from $425 to $1,200 depending on access, roof pitch, and how many courses were affected. Eave ice-dam repair that includes decking replacement and new WinterGuard application typically lands between $1,800 and $4,500, with the higher end covering larger gable ends and full eave rebuilds. Full replacement with CertainTeed Landmark over new sheathing generally falls between $18,000 and $34,000 for a standard single-story Westwood home, with Presidential lines at the top of that range. Every free estimate from Marquis Roof Repair includes a written, line-item quote with the deck inspection findings noted, so you know exactly what you’re paying for before anything gets scheduled. Call (866) 705-2978 for your exact number.
Serving Westwood, CA — Our Local Coverage Area
We’re based in the Westwood area and also offer San Fernando CertainTeed service, so we know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – CertainTeed Roofing in Westwood
Yes, in most cases we can. If the shingle field is intact and only the eave courses and underlayment are compromised, we remove the affected shingles, correct the ice-dam detailing with properly lapped WinterGuard, replace any soft decking, and re-cover with matching CertainTeed shingles. The repair holds because we address the eave geometry and ventilation that caused the dam in the first place. If the decking damage extends beyond the bottom few courses, full replacement may be the straight answer. Call (866) 705-2978 and we’ll inspect it properly.
Freeze-thaw cycling is the culprit. Water works its way under the shingle edge, freezes, expands, and breaks the factory sealant bond. Repeat that through a Westwood winter and you get lifted tabs and granule loss concentrated at the eaves and north-facing slopes. It’s a climate-driven failure pattern specific to high-elevation snow country, and the fix is to correct the eave protection detail and replace the compromised courses before meltwater intrusion begins.
We inspect every square foot of decking before we commit to a reroof. On Westwood’s older wood-frame homes, the original board sheathing has often cupped, split, or delaminated over decades of snow load. If the deck can’t hold fasteners properly, new CertainTeed shingles won’t perform. We’ll include decking replacement in the quote only where it’s actually needed, and we’ll show you the condition during the inspection.
Yes. We stock color-matched CertainTeed Landmark bundles for the most common Westwood profiles along with matching starter and hip-and-ridge. A partial repair should blend so the next owner never knows it happened, and using the exact product line is the only way to get that result. We’ll match the color code from your original installation or take a physical sample to confirm.
CertainTeed’s fiberglass-reinforced shingles carry a Class A fire rating, which is the right starting point for Westwood’s wildfire risk and complements our Northridge CertainTeed service. But the shingle alone isn’t the whole story. Ember intrusion happens at roof edges, ridge vents, and pipe penetrations, not just across the field. We install with fire-rated eave and penetration detailing so the entire assembly, not just the shingle, meets the standard Westwood’s dry summers demand.
Service Areas Near Westwood
Marquis Roof Repair serves Westwood and the surrounding northern Sierra communities. If you’re in Burbank, Universal City, North Hollywood, Glendale, Tujunga, or Studio City, we cover CertainTeed service there too. Check our CertainTeed service in Encino or CertainTeed service in Boyle Heights pages for those specific areas.
Book Your CertainTeed Service in Westwood Today
Westwood’s next hard winter is already on the horizon. If your CertainTeed roof is showing lifted tabs, granule loss, or water staining after the last snow cycle, call Marquis Roof Repair at (866) 705-2978 to schedule your free estimate. We’ll inspect the deck, explain what we found without the upsell, and give you a written quote before anything is scheduled. A roof done right the first time is the only version worth doing.
Written by Ron Thibodeau, Owner at Marquis Roof Repair, serving Westwood and the northern Sierra since our founding.