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
GAF Roofing in Fresno, CA | Brennan Roofing Co Fresno
We’re our Roofing Company in Fresno, and we provide independent GAF roofing installation, repair, and inspection across Fresno. We’re not a GAF factory store and we don’t claim manufacturer authorization. What we bring is field experience with GAF shingles on actual Fresno roofs, the ones that get hammered by triple-digit summers and then surprised by winter rain. The difference is we know what those heat cycles do to a Timberline HDZ or a Royal Sovereign before we even set up the ladder. Call (559) 785-2160 for a free estimate, and you’ll get a written price before any work starts.
Why Fresno Residents Choose Us for GAF Service
GAF roofing in Fresno is not the same job as GAF roofing in a coastal town. Our crews have repaired and replaced GAF shingles all over this city, from the older west side tracts to the newer subdivisions up north. We know which failure patterns show up where. Travis Oakley runs our Fresno operation. He learned the trade at Los Angeles Trade-Technical College and has been running crews in the Valley for over a decade, including a good stretch on older Tower District homes that punish anyone who skips underlayment details. His rule is simple: tell me what you’re seeing and I’ll tell you what it actually means. We stock common GAF colors at our Fresno yard and use genuine GAF shingles and accessories whenever possible. For underlayment, flashing, and vents, we often select stronger aftermarket products built for Fresno’s UV load and thermal stress. That’s the honest answer about how we work.
Every technician who comes to your house is background-checked and in uniform. You’ll know exactly who’s on your roof. And if we do any repair or install, you get a written guarantee for one full year. We come back for free if it fails. That’s the Garrison Standard, and we don’t waver on it.
Styles & brands we work with
Common GAF Roofing Problems We Solve in Fresno
- UV-induced granule loss on Timberline HDZ. Fresno sees over 30 days a year above 100°F, and that UV load beats the protective granules right off the asphalt. We see bald spots forming years earlier here than on the same shingle in cooler climates. Once granules go, the asphalt underneath oxidizes fast, and the shingle starts cracking.
- Thermal cracking along edges and field areas. Shingles expand in the day’s heat and contract at night. Repeat that a few hundred times a summer and the mat inside the shingle stresses out. We find long cracks running horizontally across tabs, especially on south-facing and west-facing slopes that get the full afternoon sun.
- Flashing and underlayment failures at valleys and penetrations. Fresno’s long dry season lets small gaps sit unnoticed for months. Then the first winter storm pushes water against a pipe boot or a valley seam and the ceiling stain appears. We trace it back to dried-out sealant or rotted underlayment that should have been caught in a fall inspection.
- Wind uplift on north-facing slopes. Heat-aged shingle tabs lose their seal strength. When a Sierra-driven wind front comes through, the brittle tabs lift and snap. North-facing slopes do not get the sun to re-soften the sealant strip, so once the bond fails, it stays failed.
- Wood shake conversions on the west side. This is a Fresno-specific problem. Many 1960s-era homes near Kearney Boulevard still have original wood shake roofs that are dry, brittle, and a fire risk. We pull the shake, repair or replace the decking, and install GAF architectural shingles with a heavier underlayment layer.
GAF Service in Fresno: What Local Conditions Mean for Your Equipment
Here’s the thing about GAF roofing in Fresno that a generic brand page won’t tell you. The west side of this city, especially the 1960s tracts north of Kearney Boulevard, still has a high concentration of original wood shake roofs. Those homes were built with minimal attic ventilation because shake breathes on its own, sort of. When we tear off the shake and install GAF architectural shingles, the attic becomes a sealed oven if we don’t add a radiant barrier and upgrade the underlayment. We learned that the hard way years ago. Now it’s standard practice on any west side retrofit. The decking under those old shake roofs is often shrunken and split from decades of valley heat, so the job scope usually includes deck repair. This is the work we do more often than any other roofer in Fresno, because we’ve been doing it since Travis started running crews here.
GAF Models & Products We Service in Fresno
We install and repair the GAF lines that show up most often on Fresno roofs: Timberline HDZ, Timberline Natural Shadow, Royal Sovereign, and Timberline Ultra. If you have an older Royal Sovereign, we can usually match the color when we do a partial repair. That said, if the roof is past 15 to 20 years and shows widespread cracking or granule loss, we recommend full replacement over patchwork. Spot repairs don’t address what’s happening to the deck underneath. We keep the most common Timberline HDZ colors in stock at our Fresno yard, which means shorter turnaround on repairs and replacements. When we do use aftermarket components, it’s because they outperform the OEM option under Fresno’s specific conditions, not because they’re cheaper. You’ll see exactly what we’re using and why, in writing, before any work begins.
See the difference
Before
After
Before
After
Before
AfterGAF Service Pricing in Fresno
our Roof Repair in Fresno typically runs $350 to $850, depending on how many shingles we’re replacing and what the flashing situation looks like. A full GAF Timberline HDZ roof replacement on a standard Fresno single-story home lands between $9,500 and $16,000, with the price driven by roof size, pitch, deck condition, and whether we’re doing a tear-off or a layover. Wood shake conversions on the west side run higher because of the deck work and underlayment upgrades. Every estimate is free, and you get the number in writing on paper before anything starts. No change orders at the door, no mysteriously growing invoice. Call (559) 785-2160 for an exact quote on your roof.
Serving Fresno, CA - Our Local Coverage Area
We’re based in the Fresno 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 – GAF Roofing in Fresno
Fresno’s heat causes two distinct problems on Timberline HDZ shingles. First, the intense UV breaks down the asphalt bond that holds the granules on, so you lose protection and the shingle ages faster. Second, the daily expansion and contraction from 100°F-plus afternoons to cooler nights stresses the fiberglass mat inside the shingle, leading to thermal cracking along edges and ridges. No coastal roof faces this same intensity. If you’re seeing granule buildup in your gutters or cracks along your ridge line, call (559) 785-2160 and we’ll come look. The estimate is free.
Yes, in most cases. We stock the most common Timberline HDZ colors at our Fresno yard, and we can order specific discontinued shades through our supplier network. Color matching on older GAF roofs is never perfect because the existing shingles have faded in the Fresno sun, but we can get close enough that the repair won’t jump out at you from the street. If the roof is past 15 years with widespread wear, we’ll tell you straight that a patch may not be worth it.
For Fresno, we recommend Timberline HDZ or Timberline Ultra in a lighter color, or GAF’s cool roof rated shingles when available. Lighter shingles reflect more solar radiation and keep the attic cooler, which reduces how hard your AC runs. Pairing them with proper attic ventilation and, on west side retrofits, a radiant barrier, makes a measurable difference. Call (559) 785-2160 and we’ll walk your roofline and give you a straight recommendation for your specific house.
That’s a classic Fresno pattern. During the long dry summer, sealant around pipe boots, valleys, and flashing dries out and shrinks. The first winter storm exposes those gaps, and water finds them. The leak isn’t new damage, it’s old damage that went unnoticed during the dry months. We identify every failed seal and penetration point during our inspection and fix them before the next storm front hits. Call (559) 785-2160 and we’ll come out.
Sometimes, and in Fresno more often than you’d think. Extreme attic heat on older homes causes decking boards to shrink, split, and pull apart. If your roof is a 1960s west side home with the original wood shake, the deck is almost always in rough shape and needs full replacement before the new shingles go down. On newer homes with plywood decking in good condition, we can usually install over the existing deck. We’ll show you the condition of your deck with photos during the estimate, not after we tear the roof open.
Service Areas Near Fresno
We serve Fresno and the surrounding communities: Madera, Selma, Kerman, Fowler, and Dinuba. If you’re in one of those areas and need GAF service in Madera or GAF sales & service in the Central Valley, our crews cover that ground regularly. You can also check out our Fresno service area page for the full list of neighborhoods we work in. And for homes just south of the city, we handle GAF service in Selma as well.
Book Your GAF Service in Fresno Today
Call (559) 785-2160 to schedule your free GAF roofing estimate in Fresno. You’ll get a written price before any work begins, and every job is backed by our 365-Day Done Right Promise.
Written by Travis Oakley, Owner at Brennan Roofing Co Fresno, serving Fresno since 2013.