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An open living room and dining area after a whole-home remodel
GAF · Katy, TX

GAF Construction in Katy, TX

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An open living space after a whole-home remodel
A remodeled living room with built-in shelves around the fireplace
A whole-home remodel with the living, dining and kitchen areas opened up
A remodeled family room with new windows and a window seat
A remodeled primary suite with built-in wardrobes and a window seat
A galley kitchen opened up to the dining room with a new peninsula
A walk-in shower with large-format tile and a built-in niche
A wide opening with a new beam where the kitchen wall was removed
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GAF Construction in Katy, TX | Penhallow Remodeling Houston

We provide independent GAF roofing service across Katy, and the one thing that sets our work apart here is simple: we know which GAF products fail on Katy’s clay-soil, HOA-bound homes, and we know why before we ever climb the ladder. From Timberline HDZ shingles peeling at the rake edges in Cinco Ranch to EverGuard TPO flashing failures on low-slope patio covers in Old Katy, we’ve seen the failure modes and we stock the parts to fix them fast. Call us at (254) 527-5340 for a free estimate on any GAF roof repair or replacement in Katy.

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Why Katy Residents Choose Us for GAF Service

Katy homeowners call us because we don’t treat a GAF roof like a generic sheet of asphalt. We know the difference between Timberline HDZ and Timberline Ultra HDZ, and we know which one holds up better on a south-facing two-story in Katy’s 95°F+ summer heat. Trevor Nash grew up in the San Fernando Valley outside Los Angeles, where he learned that a straight wall is harder to build than it looks. He studied construction technology at Los Angeles Trade-Technical College, then spent years swinging a hammer on everything from tract homes to full gut-renovations before bringing that plain-spoken, line-item honesty to Houston and building our General Contractor in Katy team. He and our crew have been working on Katy roofs long enough to know exactly how the clay soil here shifts and what that movement does to flashing, ridge lines, and underlayment over time. We use OEM-compatible GAF parts like TimberCrest hip and ridge caps when the homeowner wants the strongest warranty match, and we’re direct about when a proven aftermarket accessory does the job for less money. Every job gets a written price before work starts, a real arrival window, and our 365-Day Done Right Promise in writing. A live person answers our phone 24/7, so you’ll never leave a voicemail into the void.

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Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Common GAF Construction Problems We Solve in Katy

Certain GAF failures show up on Katy roofs with a regularity you won’t see in drier parts of Texas. Here’s what we’re out here fixing week after week:

  • Wind-driven rain peeling Timberline HDZ shingles at the rake edges. Two-story brick-and-stone homes near Buffalo Bayou tributaries catch spring storm winds that grab the outermost shingles and fold them back. Once the rake edge lifts, water gets under the field shingles and saturates whatever is underneath. We see this most on Cinco Ranch and Cross Creek Ranch homes built within striking distance of the bayou fingers.
  • Blistering and granule loss on south-facing Timberline roofs. Katy’s summers regularly push past 95°F for weeks at a stretch. South-facing slopes take that heat all day, every day, and after enough years the granules start sloughing off and the asphalt blisters. This is a materials-fatigue problem, not an installation error, and it’s the number one reason we get called for a full Timberline replacement rather than a patch job.
  • Poorly flashed penetrations on EverGuard TPO low-slope sections. Patio covers, porch roofs, and low-slope additions in Katy often get TPO membrane installed by crews that don’t detail the pipe boots and vent flashings properly. Spring thunderstorms drop a lot of water fast, and a flashing seam that was never heat-welded correctly will leak inside the first year. We strip those penetrations and redo them the way GAF’s own details specify.
  • Improperly installed Tiger Paw underlayment buckling over humid-swollen OSB. Katy’s humidity sits high most of the year. If a crew lays Tiger Paw over OSB that hasn’t been given time to acclimate, the board swells after installation and the underlayment wrinkles under the shingles. You won’t see the wrinkle, but you’ll feel it when a shingle seam telegraphs through and starts collecting water.
  • Tile roof failures on older homes near Old Katy. The mid-century frame and brick ranch homes in the older core often carry concrete tile that outlives its underlayment. When the felt underneath finally goes, water runs under the tile and into the deck. Repairs there range from isolated tile replacement to full underlayment rework, depending on how far the rot has spread.

GAF Service in Katy: What Local Conditions Mean for Your Equipment

Here’s something a Houston roofer won’t always tell you: in Katy, the review process for a new GAF roof depends entirely on which side of the master-planned line you live on. A re-roof in Cinco Ranch or Cross Creek Ranch has to pass architectural review, which means specific color tones, edge profiles, and sometimes even a required shingle weight. Drive two miles into Old Katy and that review doesn’t exist; you can put nearly anything on your roof as long as it meets code. That split shapes how we stock parts. We keep Timberline HDZ in the charcoal and weathered-wood tones most Cinco Ranch HOAs have already approved, and we also carry the more economical Timberline NS for Old Katy homeowners who want a solid GAF roof without paying for architectural-review compliance they don’t need. If you’re not sure whether your neighborhood has covenants, we’ll check while we’re doing the estimate and tell you plainly what’s required before you spend a dollar.

GAF Models & Products We Service in Katy

We work on the full GAF lineup that shows up on Katy homes: Timberline HDZ and Timberline Ultra HDZ architectural shingles, EverGuard TPO membrane on low-slope sections, and Tiger Paw underlayment below the field. We also service and install TimberCrest hip and ridge caps and Deck-Armor underlayment. Our parts approach is straightforward: for warranty-sensitive repairs we use genuine GAF components, and for non-critical fixes we’ll offer proven aftermarket accessories that meet code and cost less. We keep common HDZ colors and TPO accessories stocked locally for fast Katy turnaround, so you’re not waiting on a parts shipment from Dallas while your ceiling stains spread.

GAF Service Pricing in Katy

Katy GAF roof work costs what it costs because of the scope, not because of guesswork. A full roof replacement on a Cinco Ranch two-story runs $8,000 – $20,000 depending on square footage, slope count, tear-off depth, and the shingle line you choose. Isolated roof repairs land between $400 and $1,800, and tile roof repair runs $600 – $2,500. What moves the number: whether you need a full tear-off or a single layer overlay, how many penetrations need re-flashing, whether your HOA dictates a specific shingle color or profile, and what condition the deck is in once we strip the old roof. Our free estimate includes a written line-item breakdown, so you’ll see exactly where every dollar goes before you sign anything. Call (254) 527-5340 and we’ll walk your roof and put the number in your hand.

Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

GAF Roofing Price Ranges in Katy

Service Katy Price Range
Roof Replacement $8,000 – $20,000
Roof Repair $400 – $1,800
Tile Roof Repair $600 – $2,500

Serving Katy, TX - Our Local Coverage Area

We’re based in the Katy 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 Construction in Katy

A home office with a built-in desk and shelves

Service Areas Near Katy

We serve Katy and the surrounding communities, including GAF service in Houston, GAF service in The Woodlands, Richmond, and Tomball. If you’re in a nearby master-planned community or an older pocket of Fort Bend County, call us and we’ll tell you straight whether we can get a crew to you this week. Our full Katy service area covers all the neighborhoods in between. For broader GAF work across the region, see our GAF sales & service page.

Written by Trevor Nash, Owner at Penhallow Remodeling Houston, offering Bathroom Remodeling in Katy and serving the surrounding area. Trevor has been roofing and remodeling in the Houston market long enough to know what the clay soil does to a footing and what a Katy thunderstorm does to a rake shingle. He’s known for plain estimates that hold and for explaining every line item before he asks for a signature.

Give me the straight story on what you need, and I’ll give you the straight number on what it costs.

Book Your GAF Service in Katy Today

If your GAF roof is showing its age or a storm just ripped through your Katy neighborhood, don’t wait. Call (254) 527-5340 now and we’ll schedule a free estimate, walk the roof with you, and put a written number in your hand. We answer live, 24/7. Call now and get on the schedule.

Ideas for every room in the house

Built-ins, window seats, family rooms and staircases: the changes that make a whole house work better.

Read our remodeling guides
A dining nook with a built-in banquetteA remodeled laundry and mudroom with a bench, cubbies and painted cabinetsA built-in window seat in a bay windowA remodeled hall bathroom with patterned floor tile and painted wallsA small remodeled galley kitchen with cabinets to the ceilingA low-threshold walk-in shower with a bench and grab bar

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