







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why West Covina Homeowners Choose CertainTeed Construction
We provide Certainteed repair in West Covina, including roofing and siding construction, replacement, and service across the hillside streets above I-10 to the flatland neighborhoods south of the freeway. As an independent CertainTeed service provider, not a manufacturer-authorized dealer, we make decisions based on what actually holds up in San Gabriel Valley heat and wind, not what a corporate brochure says. Our crews have replaced and repaired CertainTeed Landmark shingles, Presidential Shake, Cedar Impressions, and Monogram siding on hundreds of West Covina homes, and we know exactly how these products age under local conditions. Call (707) 760-7579 for a free estimate on any CertainTeed construction project, and you’ll get a written price before any work starts.

Why Trust Mason Remodeling Co West Covina for Your CertainTeed Construction?
CertainTeed makes solid products, but longevity comes down to installation details and local climate. West Covina’s inland valley location means hot, dry summers, occasional Santa Ana winds, and UV exposure that punishes roofing and siding differently than coastal areas. Our crews have spent years watching how CertainTeed materials perform here, which means we know the failure points before they become your problem. Isaac Pruett, our owner, grew up in Los Angeles and trained through the construction technology program at Los Angeles Trade-Technical College before spending decades on real jobs across the San Gabriel Valley. He and his crew have worked throughout West Covina for years, including projects near Eastland Center where older homes have needed everything from roof tear-offs to siding replacements. Every technician who arrives at your door is background-checked, identity-verified, and introduced to you by name and photo before the visit through our Threshold Standard process. You should know what you’re getting before we ever pick up a tool. That’s how we’ve operated since 2004, and it applies to every CertainTeed job we take on.
Styles & brands we work with







Common CertainTeed Construction Problems We Fix in West Covina
Here’s what we actually see on CertainTeed products in West Covina, with the real causes behind each problem:
- Landmark shingle granule loss and curling at ridge lines. After years of inland sun and Santa Ana winds, the granules that protect the asphalt layer wear away, exposing the fiberglass mat underneath. Curling often follows because the shingle’s oils bake out in West Covina’s summer heat. This is the earliest warning sign that a roof is entering its replacement window.
- Cedar Impressions panel warping and fading on south-facing walls. Cedar Impressions is a polymer shake and shingle siding, and it holds color well in most conditions, but south-facing walls in West Covina take direct, intense UV all day. Panels can fade unevenly and, in some cases, warp if they were installed without proper fastening at the edges.
- Monogram siding buckling at butt joints. Monogram is a vinyl siding line, and vinyl expands and contracts with temperature swings. West Covina’s hot days and cool nights create real movement. When the original installers didn’t leave enough expansion gap at the butt joints, panels buckle outward. It looks like a product failure, but it’s almost always an installation issue.
- Presidential Shake weathering at eaves from clogged gutters. Presidential Shake is a thick, premium laminated shingle, and it’s heavy. When gutters clog and water backs up behind the starter strips at the eaves, the shingle edges absorb standing moisture. Over time, this causes premature deterioration right where the roof meets the fascia, an area most homeowners never inspect.
- Water stains on ceilings beneath aging CertainTeed roofs. Most ceiling stains in West Covina homes with original 1980s and 1990s CertainTeed roofs come from failing flashing, not the shingles themselves. The shingles may still look presentable from the ground, but the real problem is often where the roof meets vents, chimneys, or walls. We inspect the entire system, not just the visible shingle surface.
CertainTeed Parts & Our Repair-vs-Replace Approach
When we repair CertainTeed roofing or siding in West Covina, we use genuine CertainTeed components whenever color matching and warranty coverage matter. For a partial Monogram siding repair, matching the exact factory color matters because the eye catches even slight differences on a large wall. The same goes for Landmark shingle patches, where granule color blends are specific to the manufacturing run. But we don’t blindly follow the OEM spec when a better option exists. West Covina’s heat and occasional heavy winter rains mean we often recommend upgraded synthetic underlayments and aftermarket flashings that outperform the original materials in local conditions. Our repair-or-replace rule is simple: if the underlying decking or substrate is compromised, replacement is the honest answer. If the structure underneath is sound, we repair and extend the life of what you already have. Call (707) 760-7579 and we’ll assess what you’re working with and give you a straight recommendation.
Our CertainTeed Service Process – Step by Step
- 1
Diagnosis. We inspect the full CertainTeed system, not just the visible surface. For roofs, that means checking decking, underlayment, flashing, ventilation, and shingle condition. For siding, we examine fasteners, expansion gaps, and the substrate behind the panels.
- 2
Repair or install. If we’re repairing, we match product lines and colors and use OEM-compatible materials. If we’re replacing, we spec the right CertainTeed product for your exposure, whether that’s Landmark Pro for standard roofs or Presidential Shake for hillside properties with wind exposure.
- 3
Test and verify. After installation, we run water tests on roof penetrations, check that all fasteners are set correctly on siding, and confirm that gutters and downspouts handle water flow properly.
- 4
Written warranty and 365-Day Done Right Promise. Every completed project gets a written guarantee with clearly stated terms. If the work is not right within one year of completion, we make it right at no cost to you.
See the difference
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AfterCertainTeed Products We Service & Install in West Covina
Our crews work with the full range of CertainTeed roofing and siding lines common in West Covina’s housing stock, which was largely built between 1950 and 1980. We install and repair Landmark architectural shingles, including the heavier Landmark Pro and premium Presidential Shake lines, and we service Cedar Impressions polymer shake and shingle siding, Monogram vinyl siding, and CertainTeed-compatible gutters and accessories. For tile roofing, we handle repairs and replacements that integrate with CertainTeed underlayments and flashing systems. We stock common CertainTeed shingle colors, matching trim, underlayments, and flashings locally so most repairs move fast once you approve the written estimate.
We Also Service These Brands
CertainTeed is a strong product line, but it’s not the only one we trust. Mason Remodeling Co West Covina also provides General Contractor services including KraftMaid cabinetry, Cambria and Silestone countertops, and Kohler fixtures on full kitchen, bath, and whole-home remodeling projects. If your CertainTeed roof repair turns into a larger remodel conversation, we can handle the entire scope with the same written-price standard.
FAQs – CertainTeed Construction Service in West Covina
No. We are an independent CertainTeed service provider, not a manufacturer-authorized dealer. That independence means we recommend what works best for your specific West Covina home, not what a manufacturer program dictates. We use genuine CertainTeed materials when matching and warranty coverage matter, and we substitute proven aftermarket components when local conditions call for them.

Check your gutters and downspout splash blocks for a heavy accumulation of granules, especially after rain, and look at the shingles themselves for patches where the dark asphalt layer is showing through. On West Covina roofs with southern exposure, granule loss typically starts at the rake edges and ridge lines first. If you’re seeing bare patches or bare fiberglass, the shingles are near the end of their service life. Call (707) 760-7579 for a roof inspection and a written assessment of what you’re dealing with.
In most cases, yes. CertainTeed Monogram siding has been manufactured in consistent color families for years, and we can typically source the exact factory color for partial replacements. There’s a caveat: if your existing panels have been in place for 15 years or more, the installed siding may have faded enough that new panels of the same factory color won’t match perfectly. We’ll tell you honestly if a full-wall replacement is the better aesthetic call. Call (707) 760-7579 and we’ll assess the color match in person.
We do, and Presidential Shake is actually well-suited to wind-exposed hillside lots in West Covina because of its heavy construction and interlocking design. The installation details matter more than the product itself, especially fastener placement, starter strip alignment, and edge sealing. On hillside properties above the freeway, we account for wind uplift and make sure every component works together. Call (707) 760-7579 for a specific assessment of your roof’s exposure.
Cedar Impressions is a polymer product designed to look like cedar shake and shingle siding without the maintenance burden of real cedar. Real cedar needs staining or sealing every few years, especially in West Covina’s dry summers, and it can attract termites and woodpeckers. Cedar Impressions never needs painting or staining, resists insects, and holds its color longer. The trade-off is that Cedar Impressions can warp or fade on extreme south-facing walls if installed incorrectly, so proper fastening and UV-resistant color selection matter. We can walk you through the real costs of each option for your specific home.
It depends on what’s causing the stain, and the only way to know is to inspect the roof system, not just the shingles. Water stains in West Covina homes with older CertainTeed roofs are often caused by failed flashing at vents, chimneys, or wall intersections, which is a repairable issue. But if the decking underneath the shingles is rotten or delaminating, repair becomes a band-aid on a structural problem. We’ll inspect the full system and tell you what’s actually wrong. Call (707) 760-7579 for a written diagnosis and a fixed price on whatever needs to be done.
Here are the market-calibrated price ranges we see for CertainTeed work in West Covina:
| Service | Price Range |
|---|---|
| Roof Replacement (CertainTeed Landmark) | $8,000 – $20,000 |
| Roof Repair (CertainTeed shingle replacement) | $400 – $1,800 |
| Gutter installation with CertainTeed-compatible accessories | $250 – $700 |
A 1990s West Covina home with failing Landmark shingles needed a full replacement, which we completed with Landmark Pro shingles, upgraded synthetic underlayment, new drip edge, and seamless gutters. The homeowner’s attic temps dropped noticeably that summer. Your project’s cost depends on roof size, pitch, access, and the condition of the decking underneath. Call (707) 760-7579 for an exact written quote, no charge for the estimate.
Book Your CertainTeed Service in West Covina, CA
If your CertainTeed roof or siding needs attention, call Mason Remodeling Co West Covina at (707) 760-7579. We’ll inspect, diagnose, and put a written price in your hands before any work begins. Free estimates, fixed pricing, and a 365-day guarantee on every job.
Written by Isaac Pruett, Owner at Mason Remodeling Co West Covina, serving West Covina since 2004.


