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GAF Bathroom Remodeling: The Fort Worth Owner’s Guide
A full GAF bathroom remodel in Fort Worth typically runs $9,000 to $28,000 installed, and the work usually takes two to four weeks depending on the scope and what’s hiding behind the walls. If you’re reading this because a shower pan cracked, a tub surround delaminated, or water is finding its way into places it shouldn’t, you’re dealing with a system failure, not a cosmetic one. Bradford Remodeling Co Fort Worth stocks and installs GAF-compatible materials, and we write a firm price before the first tool comes out.
Most homeowners discover a bathroom failure the hard way: a stain on the ceiling below, a soft spot in the subfloor near the toilet, or grout that won’t stay put no matter how many times it’s re-caulked. In Fort Worth’s clay-heavy soil, slab movement makes these symptoms show up faster than in most markets. The good news is that a properly executed remodel fixes the cause, not just the visible damage.
- Key takeaway: GAF bathroom remodeling in Fort Worth costs $9,000 – $28,000 installed.
- Key takeaway: We write the price down before work starts. It doesn’t move at the door.
- Key takeaway: Every completed project carries the 365-Day Done Right Promise in writing.
Which GAF Models This Applies To

GAF is primarily known for roofing systems, but the brand’s waterproofing and underlayment products show up in bathrooms more often than most homeowners realize. If your bathroom remodel involves a shower pan liner, a tub surround substrate, or moisture barrier work behind tile, there’s a good chance GAF materials are in the spec. We work with GAF’s waterproofing membranes and related underlayment lines, and we match the material to the application: a shower floor gets a different treatment than a tub surround wall.
Here’s the compatibility gotcha most people don’t know: GAF makes multiple grades of membrane, and the installation details change based on what’s behind it. A membrane rated for a cement board substrate won’t perform the same over drywall, and in a Fort Worth bathroom that sees 40-degree temperature swings between summer and winter, the wrong pairing is a mold invitation. We identify the existing setup before we spec the replacement. If you’ve got the label from the old material, that helps. If not, we’ll pull a section and confirm what’s actually there.
OEM GAF materials are our default. There are aftermarket equivalents on the market, and some are fine, but we don’t guess with waterproofing. The price difference on a bathroom remodel is small enough that cutting a corner on the membrane makes no sense. We stock the common GAF waterproofing products on our trucks and order the rest direct, so you’re not waiting on a backorder to finish your shower.
Styles & brands we work with







Signs Your GAF Bathroom Remodeling Is Failing
- Persistent musty smell in the bathroom, even after cleaning. This usually means water is trapped behind the wall or under the floor. The GAF membrane or the substrate it’s bonded to has likely been compromised, and surface cleaning won’t touch it.
- Grout cracking or falling out within a year of installation. Tile movement almost always traces back to the substrate, not the grout itself. If the backer board wasn’t properly fastened or the membrane wasn’t fully cured, the grout is just the first thing to show it.
- Water stains on the ceiling of the room directly below the bathroom. By the time a stain shows up, the leak has been active for a while. The source is usually the shower pan, the drain assembly, or a failed membrane seam.
- Soft or spongy spots in the floor around the toilet or tub. This is rot, plain and simple. In Fort Worth, where slab homes dominate, this often means water has been sitting against the subfloor longer than anyone realized.
- Peeling paint or wallpaper near the shower or tub. Moisture is wicking through the wall. The waterproofing layer has failed somewhere above the visible damage, and painting over it just buys you a few months before it peels again.
See the difference
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After
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After
Before
AfterReplacement Cost & What’s Included

The installed cost for a GAF bathroom remodel in Fort Worth runs $9,000 to $28,000. That range covers everything from a straightforward tub and surround replacement to a full gut with a walk-in shower, new vanity, and tile work. Here’s how the line items break down:
- Small bathroom remodel: $5,000 – $12,000
- Walk-in shower installation: $4,500 – $12,000
- Tub-to-shower conversion: $3,500 – $10,000
- Shower replacement: $3,000 – $8,500
- Bathroom vanity installation: $800 – $3,000
What drives the price? Square footage, whether the subfloor needs replacing once we open it up, and whether you’re moving plumbing. Moving a drain line costs real money. We price every job as a written line-item quote, so you see exactly what the materials cost, what the labor costs, and what’s covered under the 365-Day Done Right Promise. If something fails within that year, we come back and fix it at no charge. That’s the Garrison Standard, and it’s in writing on every contract we hand over.
DIY or Call Us?
Replacing a vanity or swapping a faucet is something a capable homeowner can handle. Replacing a GAF waterproofing system behind tile is not. The failure mode isn’t immediate, which is what makes DIY waterproofing dangerous. It looks fine for six months, then the tile starts moving and you’re tearing the whole thing out again, only now you’ve paid for it twice.
What you can safely check: look for the signs above, check whether your grout lines are intact, and see if the caulk at the tub or shower base is pulling away. But once water is getting where it shouldn’t, that’s a tear-out-and-redo job. Curtis Lane and his crew have been pulling permits and rebuilding bathrooms across Fort Worth for years. Call (682) 204-4897 and we’ll come look at it. The estimate is free, and you’ll get the number in writing before we touch anything.
FAQs

A properly installed GAF waterproofing system should last 20 to 30 years, but the failure point in Fort Worth is usually the substrate and the installation, not the membrane itself. Slab movement from our expansive clay soil puts stress on shower pans and wall systems that a house in, say, Phoenix never sees. If the membrane was installed over an improperly secured backer board, it’ll fail in five years or less. Call (682) 204-4897 for an inspection if your bathroom is showing any of the warning signs above.
In most cases, no. Waterproofing is a system, and once water has breached it, the damage spreads behind the visible surface. Patching a section of membrane might stop the visible leak temporarily, but the substrate behind it is already wet and will keep degrading. A proper fix means opening the wall or floor, replacing the damaged substrate, and installing a new membrane system. That’s what we do, and the price is in writing before we start.
A full GAF bathroom remodel typically takes two to four weeks. The variables are whether we’re moving plumbing, how much subfloor needs replacing, and what the tile schedule looks like. We sequence the work so the bathroom is out of commission for the shortest time possible, and we’ll give you a written timeline with the estimate. No vague “it’ll take as long as it takes.”
We stock the common GAF waterproofing membranes and related products on our trucks, and we order specialty items direct. We also work with documented brands like KraftMaid, Cambria, and Silestone for the finish work. If you want to source materials yourself, we’ll install them, but understand that our 365-Day Done Right Promise covers our workmanship, not a product defect from something you bought at a discount warehouse. If the material fails, that’s on the material. If our install fails, that’s on us, and we fix it.
Straight scope, firm price, no surprises at final walkthrough. That’s the way we run every job in Fort Worth, and it’s the way we’ve been doing it since we started. Call (682) 204-4897 to schedule your free estimate. We’ll come out, look at the job, and hand you a written number before any work is scheduled.
Written by Curtis Lane, Owner, Bradford Remodeling Co Fort Worth at Bradford Remodeling Co Fort Worth, serving Fort Worth and nearby areas.


