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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
GAF Roofing Company in West Palm Beach: What to Know First
GAF roofing repair and replacement in West Palm Beach typically runs $425 to $1,850 for most repair jobs, with full GAF re-roofs starting around $9,500 and running up past $22,000 depending on the roof’s pitch, decking condition, and the specific GAF line you choose. We’re an independent GAF service provider, not a manufacturer-authorized dealer, and most jobs are diagnosed and repaired within one visit. The price you get from us goes on paper before any work starts, and it does not move at the door.
This page is written for West Palm Beach homeowners who own a GAF roof and want straight answers about what fails, what it costs, and who to call when it does. If you’re already looking at a leak or missing shingles, call (728) 203-3066 and you’ll get a live person. No voicemail, no callback queue.
How GAF Products Fail – and How We Fix Them
GAF makes a solid product, but every roof has weak points. Here’s what we actually see on GAF roofs across West Palm Beach, from Northwood Hills to the El Cid historic district.
- Timberline HDZ shingle seal failures. The Timberline HDZ line uses GAF’s LayerLock adhesive, and when it works, it holds. But a West Palm Beach summer puts a roof deck through 140-plus degrees in direct sun, and shingles that were not pressed properly during installation can lose their seal in three to five years. Wind-driven rain gets under the tabs. The fix is usually a spot re-seal or targeted shingle replacement, not a full roof. We’ll tell you which one you actually need.
- Ridge cap cracking on older Timberline and Royal Sovereign roofs. The ridge cap takes the full brunt of UV exposure and thermal expansion. On GAF roofs installed before roughly 2012, we see cap shingles that have turned brittle and split along the ridge line. That’s a direct water path into the attic. We replace the cap with current-generation GAF cap stock and re-bed the fasteners.
- GAF starter strip and drip edge separation. GAF’s warranty documentation calls for starter strips along the eaves and rakes. When the original installer skipped starter strip or used an off-brand substitute, the bottom course of shingles lifts, and West Palm Beach’s afternoon thunderstorms push water upward at the eave. We cut back the affected course, install proper GAF starter strip, and re-lay the shingles with correct overhang past the drip edge.
- Flashing failures at chimneys and pipe boots around 10 to 15 years. This is not unique to GAF, but it’s the most common call we run on GAF homes. The rubber pipe boot dries out from heat and splits. The chimney flashing pulls away from the masonry. GAF’s own warranty excludes flashing, which means the homeowner pays out of pocket. We replace pipe boots with UV-rated material and re-cut chimney counterflashing so water has nowhere to go but off the roof.
- Flat-roof ponding on GAF TPO sections. Many West Palm Beach homes, especially mid-century builds in areas like Sunshine Park, have flat-roof additions with GAF TPO membrane. TPO is welded at the seams, and if the welds were rushed, you get seam delamination and standing water. We probe the seam with a moisture test, cut out the failed section, and weld in a new patch to GAF’s hot-air temperature spec.
Styles & brands we work with






Our GAF Roofing Company Process
Every job follows the same sequence, whether it’s a small repair or a full GAF replacement. We call it the Garrison Code internally, but what it means for you is simple: you know the number before we touch the roof, and you know who’s on your property.
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Call and talk to a person. You call (728) 203-3066, describe what you’re seeing, and we schedule a visit. Our phones are answered by a live person around the clock.
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On-site diagnosis. A background-checked, uniformed technician walks the roof, tests for moisture where it matters, and documents what’s failed. If it’s safe to do so, we take photos so you can see what we see.
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Written price before work starts. We put the repair or replacement number on paper, with parts and labor separated. That number is fixed. No change orders, no “we found more once we opened it up” ambush unless you approve it in writing first.
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Parts decision. For GAF roofs, we use GAF components where the warranty or the roof’s age demands it. If a quality aftermarket part does the job at a better price, we tell you and let you choose. That’s the honest way to run a parts conversation.
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The repair or replacement. We work clean, tarp the ground when needed, and keep the job site squared away. Nails get swept. Debris goes in the truck.
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Test and guarantee. We water-test repairs where practical, walk the roof with you if you want, and hand you the 365-Day Done Right Promise in writing. One full year. If it fails, we come back at no charge.
See the difference
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After
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AfterWhat GAF Roofing Company Costs in West Palm Beach
Here’s honest money. A few missing Timberline shingles runs $425 to $650. A chimney flashing repair on a GAF roof is usually $550 to $900. Pipe boot replacement, $275 to $400. A ridge cap replacement on a single-story ranch, $800 to $1,400. Full GAF Timberline HDZ replacement on a 1,800-square-foot home with tear-off and new underlayment starts around $9,500 and can exceed $22,000 if the decking is rotted or the roof is steep. What moves the price: roof pitch, number of stories, decking condition, whether fascia and drip edge need replacing, and which GAF line you pick. Timberline HDZ costs more than Royal Sovereign, and Lifetime shingles cost more than both.
Call (728) 203-3066 and we’ll give you a written line-item estimate. Free, no obligation, and the number won’t change at the door.
Why West Palm Beach Homeowners Call Brennan Roofing Co West Palm Beach for GAF Work
We operate under the Garrison Standard, and that’s not a slogan. It’s a written commitment: price on paper before work starts, background-checked uniformed technicians on every job, and the 365-Day Done Right Promise on every repair and installation we touch. If a GAF repair we made fails within a year, we return and fix it at no charge. The second visit is free. That’s the standard.
Travis Oakley, our owner, learned the roofing trade at Los Angeles Trade-Technical College and has spent nearly three decades putting that education to work on real roofs in real weather. He’ll tell you the difference between a 3-tab and an architectural shingle in plain dollars and plain terms, and he won’t upsell you on something your house doesn’t need. We also install Owens Corning and CertainTeed, which matters if you’re weighing replacement options and want a straight comparison. A roof done right doesn’t ask for your attention until it’s time for a new one.
FAQs
No. We are an independent GAF service provider and are not affiliated with or authorized by GAF. That independence means we make repair decisions based on what’s right for your roof and your budget, not on what a manufacturer program dictates.
In most cases, no. GAF’s material warranty covers manufacturing defects in the shingles themselves. Repairs using GAF components, or quality aftermarket parts that meet the same spec, do not typically void that coverage. The exception is if a repair alters the roof’s ventilation or structure. We’ll flag that before we touch anything. Call (728) 203-3066 and we’ll walk through your specific situation.
For active leaks, we prioritize the call and typically get a technician out within 24 to 48 hours. For non-urgent estimates, we schedule within the week. Call us and you’ll get a live person who can give you the next available window right then.
We use GAF components when the situation calls for them, and we offer quality aftermarket alternatives when they do the same job at a better price. You choose, and the choice is written into the estimate before work starts.
If the decking is solid, the underlayment is intact, and the failure is localized, repair makes sense. If you have widespread shingle granule loss, multiple leaks, or decking rot, replacement is the honest answer. We’ll show you photos and explain the call. Estimates are free, either way.
Written by Travis Oakley, Owner, Brennan Roofing Co West Palm Beach at Brennan Roofing Co West Palm Beach, serving West Palm Beach and nearby areas.