Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CertainTeed Roofing: The Irvine Owner’s Guide
CertainTeed shingle repair and partial replacement in Irvine typically runs $400-$1,800 installed, depending on whether we’re matching a discontinued color or replacing a full slope. We stock CertainTeed-compatible ridge caps, starter strips, and architectural laminates on our trucks, and most Irvine homeowners get a written quote the same day they call. Most owners discover a problem after the first hard Santa Ana wind season, when they find tabs in the planter bed or a water stain spreading across the ceiling drywall after what seemed like a minor rain.
Which CertainTeed Models This Applies To
CertainTeed’s residential lines break into three tiers, and the part you need depends on which is on your roof. The Landmark series, including Landmark PRO and Landmark Premium, uses a laminated architectural shingle with a 4-bundle square coverage on the Premium, heavier than standard. Highland Slate and Grand Manor are designer lines with custom ridge accessories that don’t interchange with Landmark components. The older CT 20 or CT 25 three-tab lines, still common on 1990s Irvine builds near Northwood and Woodbridge, use a narrower 5-inch exposure and a different starter strip than today’s products.
To identify your shingle, check the package label if you have leftover bundles in the garage, or look for the printed manufacturing date and line name on the back of an exposed tab. The critical compatibility gotcha in Irvine: CertainTeed changed the color formulation for “Georgetown Gray” and “Moire Black” around 2018, so a straight SKU match won’t necessarily blend with sun-faded originals. We pull from current stock and weathered control samples before ordering. OEM CertainTeed accessories are our default, but we also source Atlas and Owens Corning equivalents where the homeowner prefers a price break and the HOA allows it. Measure twice, build it once, write it down.
Signs Your CertainTeed Roofing Is Failing

- Curled or cupped shingle edges. The asphalt mat dries out faster in Irvine’s inland heat than on the coast, especially on south-facing slopes. Once the tab corners curl upward, the wind seal is broken and the shingle is effectively unfastened.
- Granule loss exposing the black substrate. Those ceramic granules are the UV shield; when you find them collecting in gutters or at downspout exits, the shingle is baking bare. On CertainTeed’s heavier laminates, this often starts at the ridge where heat concentrates.
- Cracked tabs after wind events. Santa Ana gusts hit 60-plus mph in the foothill neighborhoods near Turtle Rock and Shady Canyon. If the adhesive strip failed, the tab lifts, flexes, and cracks at the stress point rather than tearing clean.
- Water stains on ceiling drywall or soffit discoloration. By the time interior evidence shows, the leak has typically been active through multiple rain cycles. The entry point is rarely directly above the stain; water travels along the underlayment or rafter bay.
- Sagging or soft decking when walked. This indicates prolonged moisture saturation in the OSB or plywood substrate. CertainTeed’s warranty covers the shingles, not the decking they sit on, and deck replacement adds $65-$95 per sheet in current Irvine pricing.
Before
AfterReplacement Cost & What’s Included
Roof repair in our Irvine market runs $400-$1,800, with most CertainTeed partial replacements falling in the $800-$1,400 range. A simple tab replacement on a walkable single-story might hit the low end; matching a discontinued designer shingle on a steep two-story with valley work pushes toward the top. The price includes removal of failed material, deck inspection for soft spots, ice-and-water shield at penetrations per current code, new CertainTeed-compatible shingles, ridge cap, and cleanup with magnet sweep.
What drives the range: accessibility (pitch and height), shingle tier (three-tab vs. designer), and whether we’re blending into existing weathered material or replacing a full visual section. Under Clause 1 of the Haven Standard, your price is written before anyone starts, and no change proceeds without a signed change order. Our 365-Day Done Right Promise covers the workmanship; CertainTeed’s material warranty runs independently. Every visit includes a documented photo record, standard, so you see what we found and what we did.
DIY or Call Us?

An owner can safely check for obvious damage from the ground with binoculars or from a secured ladder at the eaves. Look for missing tabs, displaced ridge caps, or flashing that’s pulled away from the wall. Don’t walk the roof yourself; steep pitches, tile underfoot, and morning dew make falls the leading cause of homeowner injury in roofing.
DIY replacement goes wrong at the adhesive strip. CertainTeed’s self-sealing asphalt requires proper placement and adequate solar heat to bond; misaligned tabs, over-driven nails, or skipping the starter strip creates a wind-lift hazard that won’t show until the next Santa Ana event. We also find homeowners mismatch the ventilation, blocking soffit intakes or mixing ridge vent brands that don’t share the same NFA rating. For the actual repair, call a trained crew. Call (657) 227-2502 to schedule your free estimate.
FAQs
Most CertainTeed architectural shingles carry a 30-year to lifetime limited warranty, but in Irvine’s high-UV inland climate with Santa Ana wind exposure, practical service life is typically 22-28 years for Landmark and 18-24 years for lighter three-tab products. South-facing slopes degrade faster; shaded north slopes can exceed the median. Call (657) 227-2502 for an exact quote on replacement - estimates are free.
Localized damage from wind or impact can often be repaired by replacing individual shingles or a slope section, provided the surrounding material is pliable and the color can be matched. If the failure is widespread curling, granule loss, or multiple leak points, partial or full replacement is the honest recommendation. We won’t sell a repair that buys you two years. Call (657) 227-2502 for an exact quote - estimates are free.
A standard repair, 10-30 shingles on a walkable roof, takes 2-4 hours with a two-person crew. Full slope replacement on an average Irvine home runs 1-2 days, depending on deck condition and whether we’re working around solar mounts or satellite dishes. We document each phase with photos and leave the site swept clean. Call (657) 227-2502 to schedule your free estimate.
We stock the common Landmark colors, ridge caps, and starter strips on our trucks for same-day repair work. Designer lines and discontinued colors typically require 3-5 business days from CertainTeed’s regional distribution in Santa Fe Springs. We’ll confirm stock and show you the physical sample before ordering. Call (657) 227-2502 for an exact quote - estimates are free.
Rowan Construction Group Irvine is an independent service provider and is not affiliated with, endorsed by, or sponsored by CertainTeed Corporation. We also stock parts and materials for KraftMaid, Cambria, and Silestone products.
Written by Grant Rowan, Owner, Rowan Construction Group Irvine at Rowan Construction Group Irvine, serving Irvine and nearby areas.







Before
After
Before
After
Before
After