Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
CertainTeed Roofing in Sierra Madre, CA | Bedrock Roof Repair
We provide independent CertainTeed roofing service across Sierra Madre, from Landmark shingle replacements to full tear-offs on century-old cottages, and also offer CertainTeed service in Monrovia. What sets our CertainTeed work apart here is straightforward: we understand how canyon wind, wildfire code, and original 1890s-1930s framing interact with these specific products. Call (833) 589-7850 for a free estimate. We’ll tell you what your roof actually needs, repair, replacement, or nothing yet.

Why Sierra Madre Residents Choose Us for CertainTeed Service
Alan Cofield, our owner, spent nearly two decades working roofs across Southern California before founding Bedrock Roof Repair. He trained in the building trades program at Cypress College, where the curriculum drilled load paths and material selection before anyone let him near a nail gun. That background matters when you’re standing under a 1920s Craftsman with original skip sheathing and three layers of shingles, trying to figure out whether the decking will hold a CertainTeed Landmark field or whether it needs to come down to the rafters first.
Sierra Madre has more of those judgment calls per square mile than almost anywhere in the San Gabriel foothills. Homes here sit on narrow tree-lined streets with aging roofs that have survived decades of Santa Ana wind events and dry summers. We’re familiar with both the housing stock and the products. We install genuine CertainTeed shingles, underlayment, and accessories so the assembly’s wind and fire ratings actually hold. Our CertainTeed sales & service work follows one sequence: inspect first, repair when possible, replace when necessary.
Styles & brands we work with






Common CertainTeed Roofing Problems We Solve in Sierra Madre
CertainTeed products are well engineered, but Sierra Madre’s conditions expose specific weaknesses. Here’s what we repair most often:
- Wind-torn ridge caps on Landmark shingle fields. The first strong Santa Ana event of fall routinely lifts hip and ridge shingles off roofs in the canyon-mouth blocks near Bailey Canyon. The caps fail before the field shingles ever do, and the wind gets under the ridge vent, peeling it back section by section.
- Granule loss and seal-strip bake-out on south and west planes. Dry San Gabriel summers cook the asphalt on exposed CertainTeed shingle planes. The seal strip loses adhesion, granules slough off, and winter rain finds the exposed underlayment at valleys and eaves. This is a slow failure that many homeowners miss until the ceiling stain appears.
- Original cedar shakes that won’t pass WUI inspection. Many 1890-1930 cottages still carry their original cedar shakes. They’re a fire hazard and a code problem. A CertainTeed Class A replacement means tear-off to solid decking, not an overlay, and often ember-resistant venting.
- Failed underlayment beneath intact-looking tile and shingle roofs. Older Craftsman and Spanish Colonial homes in Sierra Madre frequently have dried-out felt underlayment that leaks even when the visible roofing looks fine. Multiple re-roof layers and original skip sheathing hide the problem until water reaches the ceiling plaster.
- Loose fasteners from repeated thermal cycling. The afternoon winds out of the Santa Ana and San Gabriel canyons, combined with temperature swings, work nails loose over time. We see this most often on ridge caps and edge flashing on homes closer to the canyon mouths.
CertainTeed Service in Sierra Madre: What Local Conditions Mean for Your Equipment
Here’s a fact that shapes more CertainTeed work in Sierra Madre than almost anything else: the canyon-mouth blocks near Bailey Canyon sit inside a Very High Fire Hazard Severity Zone. That jurisdiction changes what a roof replacement actually involves. A CertainTeed Landmark job a few blocks south in the flats is a straightforward shingle replacement with standard permit requirements, unlike CertainTeed service in East Pasadena where different conditions apply. The same Landmark job in the canyon-mouth blocks has to be a documented Class A assembly with ember-resistant ridge venting and edge detailing that the building department inspects. Original cedar shakes on these cottages often fail that standard outright, so the fire-rated assembly, not the shingle color, drives the scope of work.
This isn’t something a generic CertainTeed page mentions, because it’s not true in most cities. In Sierra Madre it’s the first thing any honest contractor should raise when you call about a re-roof. We know which streets fall under which wildfire code because we’ve pulled permits on both sides of the boundary.
CertainTeed Models & Products We Service in Sierra Madre
We work with the full CertainTeed residential line: Landmark architectural asphalt shingles, Presidential Shake TL, Carriage House, and Flintlastic SA cap sheet for low-slope porch and addition sections that are common on Sierra Madre’s older homes. We install genuine CertainTeed shingles, underlayment, and accessories, never generic substitutes. We pair them with flashing and fasteners sized for canyon wind rather than whatever is cheapest in the truck. Our Sierra Madre service area clients get the full range of material choices across all seven brands we carry, including GAF, Owens Corning, IKO, Atlas, Tamko, and Boral, alongside CertainTeed. The recommendation follows the roof, not a supplier agreement.
See the difference
Before
After
Before
After
Before
AfterCertainTeed Service Pricing in Sierra Madre
What you’ll pay depends on the scope: repairs run from a few hundred dollars for re-securing ridge caps and replacing accessories, while a full CertainTeed Landmark replacement on a century-old cottage typically runs higher because of the tear-off labor, decking replacement, and WUI-compliant venting and edge detailing that’s required in the Bailey Canyon blocks. For comparison, CertainTeed repair in Mayflower Village involves similar hillside considerations. Skip sheathing and multiple layers add to disposal and structural review. Your free estimate includes a written line-item quote before work begins, so you know exactly where the money goes. Call (833) 589-7850 to schedule a free estimate and we’ll tell you whether you’re looking at a targeted repair or a teardown.
Serving Sierra Madre, CA — Our Local Coverage Area
We’re based in the Sierra Madre area and know this community well, with CertainTeed repair in Arcadia and surrounding foothill communities also within our service area. Use the map below to see our full coverage — if you’re nearby, we can almost certainly help.
FAQs – CertainTeed Roofing in Sierra Madre
No. The original cedar shakes on most Sierra Madre cottages sit over skip sheathing, and adding a shingle overlay would trap the shakes’ gaps and create a fire and structural liability. You need a full tear-off to the skip boards, re-sheeting with solid decking, and a new CertainTeed assembly installed to current code. Call (833) 589-7850 for a free teardown estimate and we’ll show you exactly what’s under the existing layers.
The first Santa Ana wind event of fall hits canyon-mouth blocks hard, and ridge caps installed with standard fastening often can’t hold. We mechanically fasten ridge caps beyond minimum uplift spec specifically for Sierra Madre’s wind corridor. If your caps keep peeling, call us at (833) 589-7850 and we’ll fix the attachment so it survives the next wind season.
The underlayment beneath the tile has failed. Tile roofs on older Sierra Madre homes often have dried-out felt that leaks even when the tile itself is intact. The fix is a targeted repair or a full re-roof with new CertainTeed underlayment and a Class A assembly, depending on what we find under the tile. Call (833) 589-7850 for a free inspection.
If you’re in the Very High Fire Hazard Severity Zone near Bailey Canyon, yes. Ember-resistant vents are required for any new or replacement roof assembly in that zone. Homes a few blocks south in the flats may not need them. We check your property’s designation before quoting so you pay for what code actually requires. Call (833) 589-7850 to confirm your home’s requirements.
Two layers is the legal maximum in most jurisdictions, and if the layers underneath are original cedar shakes or failing skip sheathing, you’re looking at a full tear-off regardless. We’ll strip a few shingles during the inspection to see what’s actually underneath, and then tell you straight whether you can overlay or need a teardown. Call (833) 589-7850 for a free estimate that lays out both options with real numbers.
Service Areas Near Sierra Madre
We also provide CertainTeed roofing service in surrounding communities, including CertainTeed service in Los Angeles and CertainTeed service in Alondra Park. Our crews regularly work in Anaheim, Fullerton, Placentia, Garden Grove, Orange, and Stanton, so if you’re just outside the Sierra Madre area, we can still help.
Book Your CertainTeed Service in Sierra Madre Today
We inspect, we explain what we found, and we give you a written quote with real numbers. Same team from inspection to final nail, no handoffs. Call (833) 589-7850 to schedule your free estimate.
Written by Alan Cofield, Owner at Bedrock Roof Repair, serving Sierra Madre and the San Gabriel foothills.