







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CertainTeed Construction in Whittier, CA | Sawyer Remodel West Covina
CertainTeed roofing and exterior work in Whittier comes down to one thing: the hills. We’re an independent Whittier-area crew that installs and repairs CertainTeed shingles, tile, and insulation on homes where slope stability and drainage matter as much as the roof itself. Most flatland crews don’t read Whittier’s hillside grading rules before they nail down a roof deck. We do, because we’ve been pulling permits and passing inspections on those hills for years. Call (341) 217-4204 for a free estimate on CertainTeed work, from a single tile repair to a full re-roof.
We’re not a CertainTeed dealer and we don’t claim to be factory-authorized. We’re independent, which means we choose parts based on what actually holds up on a Whittier hillside, not what a manufacturer rep pushes. That independence is why homeowners on Skyline Drive and Greenleaf Avenue call us when their CertainTeed roof fails after the first heavy rain. Learn more about our broader CertainTeed sales & service work across the San Gabriel Valley.
Why Whittier Residents Choose Us for CertainTeed Service

Luca Romano, our owner, grew up in East Los Angeles and trained at Los Angeles Trade-Technical College in construction technology. He’s spent two decades doing the work that holds a house together: framing, tile, Bathroom Remodeling in Whittier, full kitchen and bath overhauls, and more CertainTeed roof repairs than he cares to count. Luca’s rule is simple: “Good work shows. Bad work shows up later.” On a Whittier hillside, bad work shows up as a water stain on your ceiling the first winter after a cheap patch job.
We run every CertainTeed job in Whittier under The Relay Visibility Guarantee: a written price before work starts, live arrival time tracking, and before-and-after photos. You’ll know who’s coming, when they’ll arrive, and what the invoice says before a single shingle comes off. Our techs are background-checked and uniformed. And our 365-Day Done Right Promise means if the roof repair fails within a year, we come back and make it right. In writing, on every job.
Styles & brands we work with







Common CertainTeed Construction Problems We Solve in Whittier
- Blown-off tabs during Santa Ana wind gusts. Whittier’s fall and winter wind events hit hillside homes hard, and older CertainTeed 3-tab or lightweight architectural shingles nailed too high on the shingle lose their corners fast. We see this most on south-facing slopes off Mar Vista where the wind funnels hard.
- Nail pops and ridge-line cracking on steep pitches. Whittier’s hot, dry summers bake the shingle matrix, then sudden winter rain shrinks it back. That thermal cycling stress shows up as nail pops and cracks along the ridge line on hillside roofs where the pitch exceeds 6:12 and the sun hits directly.
- Granule loss on south-facing slopes. Original CertainTeed shingles from the 1980s and 1990s shed granules every summer on those slopes. You’ll see it as bare fiberglass patches and a tan-colored run of grit in your gutters after the first rain. Reduced reflectivity means faster aging and a shorter roof life.
- Corroded flashing at masonry-to-roof intersections. Whittier’s Spanish Colonial Revival homes have parapets and chimneys where original step flashing pulls away after decades of expansion and contraction. Water finds those gaps, especially where stucco meets the roof. We fix this constantly on homes near Uptown.
- Failed underlayment over skip sheathing. Many 1920s – 1950s Whittier homes still have original skip sheathing, and CertainTeed tile or shingle roofs laid over it leak at the gaps once the underlayment rots. This one’s structural, not cosmetic, and it’s the reason we sister new plywood before any re-roof.
CertainTeed Service in Whittier: What Local Conditions Mean for Your Equipment
Whittier’s hillside homes west of Painter Avenue sit directly on ancient landslide terrain, the same Puente Formation mudstone that keeps creeping after heavy rain. Streets like the switchbacks off Mar Vista and Skyline show roadway movement cracks every winter. That means a CertainTeed roof up there can’t just be nailed to the deck and called done. The roof system has to tie into shear-wall retrofits and proper drainage, because a roof that’s perfectly watertight on a moving structure will still crack at the flashings when the house shifts. We’ve seen properly installed CertainTeed roofs leak at the parapet cracks within a year because the house moved half an inch and the original flashing didn’t flex with it. So we build for movement: wider step flashing, WinterGuard underlayment at every transition, and perimeter drains that direct water off the slope instead of into the foundation. If you’re on the hill, check the bolts. And check who’s checking the roof.
CertainTeed Models & Products We Service in Whittier
We work on CertainTeed Landmark architectural shingles, Presidential Shake, Carriage House, and the older 3-tab lines still on many original Whittier roofs. We also handle FlintBoard insulation and CertainTeed tile roofing. For active installations, we use factory CertainTeed shingles and accessories when available, so color, profile, and warranty documentation stay clean. For discontinued lines or minor repairs, we use high-quality aftermarket flashing, underlayment, and fasteners that meet or exceed code, and we’ll tell you plainly when a patch isn’t safe anymore versus a full re-roof, especially on steep hillside pitches where patching is a lateral move at best. We keep common CertainTeed colors and tile profiles stocked locally so Whittier turnaround times stay short.
See the difference
Before
After
Before
After
Before
AfterCertainTeed Service Pricing in Whittier

Roof pricing in Whittier varies by pitch, access, and whether your house is on a hill. Steeper hillside roofs require more safety equipment, more labor, and sometimes a crane if we can’t stage materials near the deck. Here’s what you’re looking at:
| Service | Price Range |
|---|---|
| Roof Replacement (Landmark asphalt shingle) | $8,000 – $20,000 |
| Tile Roof Repair (parapet flashing + re-set) | $600 – $2,500 |
| Roof Repair (wind damage, granule loss) | $400 – $1,800 |
| Metal Roof Installation (standing seam) | $15,000 – $40,000 |
Every estimate is a written line-item quote with the full price before work starts. No change orders after the fact, no surprise line items at the invoice. Call (341) 217-4204 to schedule your free estimate, and we’ll walk the roof with you and point out exactly what needs work, what can wait, and what the number is.
Serving Whittier, CA - Our Local Coverage Area
We’re based in the Whittier 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 – CertainTeed Construction in Whittier
Yes. Whittier’s hillside terrain, especially west of Painter Avenue, sits on Puente Formation mudstone that moves after heavy rain. A roof on that slope needs WinterGuard or equivalent self-adhered underlayment at every eave, valley, and transition, plus wider flashing than a flatland roof. The manufacturer’s minimum is just that: a minimum. We build above it because a roof on a moving hill has to flex. Call (341) 217-4204 and we’ll show you exactly where the extra underlayment goes and why it matters on your street.
The wind is finding shingles that were nailed too high on the shingle or nailed outside the nail strip when the roof was first installed. Add Whittier’s thermal cycling, hot summers followed by fast cooling, and those fasteners work loose. A repair that only replaces the visible missing tabs doesn’t fix the nailing pattern underneath. We inspect the nail placement across the whole slope and re-nail, not just spot-patch. Call (341) 217-4204 for a full wind-damage inspection.
Adding a skylight or solar tube won’t void the shingle warranty as long as the penetration is flashed correctly and the work is done to code. The issue on Whittier hillside homes is that many roofs were installed without proper curb flashings at penetrations, so any new opening becomes a leak point if not done right. We install skylights with full step and counter-flashing tied into the existing CertainTeed underlayment. It’s not a $200 handyman job on a hillside roof.
The tile isn’t leaking. The flashing under it is. Tile roofs fail at transitions: chimneys, parapets, valleys, and skylights. Original step flashing on a 1920s – 1960s Spanish Colonial home corrodes and pulls away from the masonry over decades, and the water follows the gap. We’ve pulled the tile off enough Whittier chimneys to know exactly what failed before we even climb up. The repair is a new copper or lead cap, re-bedded tile, and often a new cricket if the chimney is wide. Call (341) 217-4204 for a chimney leak inspection and an honest read on whether it’s a flashing repair or a full tile re-set.
For a 1,200 sq ft single-story ranch on a Whittier hillside, a full CertainTeed Landmark re-roof typically runs $10,000 to $18,000 depending on pitch, access, deck condition, and whether we need to add shear-wall ties or replace underlayment. If the deck is rotten from years of skip-sheathing leaks, you’ll be at the higher end. If it’s a simple layover with a clean deck, the lower end. We’ll give you a written number before work starts, so you’ll know exactly what the invoice says before we buy a single bundle. Call (341) 217-4204 for a free estimate on your specific roof.
Service Areas Near Whittier
We work throughout Whittier and the surrounding San Gabriel Valley: Whittier service area coverage includes the Uptown district, the hills off Skyline and Mar Vista, and the flats east of Painter Avenue. We also run service to CertainTeed service in West Covina, CertainTeed service in Diamond Bar, Covina, Citrus, and Brea. If your CertainTeed roof is failing on the hill or in the flats, we’ll come take a look.
Book Your CertainTeed Service in Whittier Today
We had a 1926 Spanish Colonial on Greenleaf Avenue near Uptown with original tile roofing over skip sheathing. The CertainTeed roof was leaking at the parapet cracks because the house had shifted after years of hillside creep. Our tech pulled back the old tile, sistered new plywood at the broken rafter tails, flashed the entire parapet with a custom copper cap and CertainTeed WinterGuard underlayment, then re-set the tile and added perimeter drains. That house survived the next winter’s heavy rains without a single stain on the ceiling. If your Whittier home is doing something similar, call (341) 217-4204 for a free estimate. Written price. Real answers. No ghosting.
Written by Luca Romano, Owner at Whittier General Contractor Sawyer Remodel West Covina, serving Whittier since 2005.











