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Tamko Underlayment & Deck Repair: The Fort Lauderdale Owner’s Guide
Tamko underlayment and deck repair in Fort Lauderdale typically runs $450 to $1,800 installed, depending on how much decking has rotted and whether the underlayment needs spot replacement or a full resheet. We carry Tamko-compatible underlayment and decking materials on our trucks for most standard jobs, which means a single visit usually gets the work done once we’ve quoted it. Most Fort Lauderdale homeowners discover the damage the same way: a soft spot near a valley, a shingle that won’t sit flat, or water staining on a ceiling after a heavy afternoon storm rolls through Broward.
We’re an independent roofing contractor in Fort Lauderdale, not affiliated with Tamko directly, but we install their materials every week and know exactly what fails first in this climate and what fixes actually hold up.
Key Takeaways:
- Installed cost for Tamko underlayment and deck repair in Fort Lauderdale: $450 to $1,800 depending on decking condition
- Most standard repairs are completed in one visit, same day we diagnose the damage
- Every repair is covered by the 365-Day Done Right Promise, in writing, at no extra cost
- We give you a written price before any work starts. No surprises at the door, no bill that grows after the first cut.
Which Tamko Models This Applies To
The underlayment and decking questions we answer in Fort Lauderdale come up across Tamko’s shingle lines: Heritage, Elite Glass-Seal, Titan XT, and the metal roofing systems all sit on some version of Tamko’s synthetic underlayment or a traditional felt base, depending on when the roof was installed and what the original contractor specified.
There’s one compatibility gotcha that catches a lot of owners: Tamko’s self-adhered underlayment in the Ice & Rain and Moisture Guard lines is not interchangeable with their standard synthetic felt on a re-deck. If your roof has a Tamko self-adhered membrane and you spot-repair with dry-in synthetic, the seam won’t seal the same way, and a Fort Lauderdale downpour will find that joint. We match the material to what’s already on the roof and verify by measuring the roll width and checking the original product label before we quote the job. For decking, we stock APA-rated plywood and OSB in the thicknesses common to Broward roofs: 1/2-inch and 5/8-inch, plus the vented panels a few of the older Tamko systems call for. The decision on OEM versus aftermarket is simple for underlayment: we install Tamko’s own material where the roof’s warranty documentation calls for it, and we’ll recommend a quality equivalent with equal or better exposure ratings where the system has aged past any warranty concern. Either way, you get the written price before we touch the roof.
Styles & brands we work with






Signs Your Tamko Underlayment & Deck Repair Is Failing
- Soft spots on the deck when walking the roof. This is the classic South Florida failure. Your decking has absorbed water and started to delaminate, and Tamko shingles over a rotting deck are doing nothing but hiding the problem. The repair is a full deck section replacement, not a patch.
- Shingles that ripple or won’t lay flat. Underlayment that’s bubbled or torn underneath pushes up through even perfectly good shingles. On Tamko Heritage runs, this usually means the original synthetic was installed too tight and it pulled at the seams.
- Granules collecting in the gutters after every storm. South Florida’s afternoon thunderstorms and UV load age Tamko shingles faster than most owners expect. If the granular wash is concentrated over one area, look at the underlayment below; water’s been sitting there.
- Water stains on the ceiling that appear hours after rain stops. This tells you the water is working through the underlayment and finding the path of least resistance, which is rarely, in our experience, the pipe boot or the chimney. It’s the seam four feet upslope.
- Peeling or bubbling membrane at roof edges and valleys. Tamko’s self-adhered underlayment is designed for Fort Lauderdale’s rain, but when the deck below shifts or the membrane wasn’t rolled out with pressure, it lets go at the corners. The visible edge peeling is only the last tenth of the problem.
See the difference
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After
Before
After
Before
AfterReplacement Cost & What’s Included
For a typical Tamko underlayment and deck repair in Fort Lauderdale, expect:
- Isolated deck plank replacement and underlayment patch: $450 to $750
- Full section re-deck (one slope or valley run) with Tamko-compatible underlayment: $800 to $1,400
- Extensive re-deck across two or more slopes with full underlayment resheet: $1,400 to $1,800+
What moves the price up here is less the material and more what’s underneath: Fort Lauderdale roofs built in the 1980s and 1990s often have original plywood that turns into spongy layers once you open the first sheet. The written price we give you covers removal and disposal of the old decking, the new deck panels, the Tamko-compatible underlayment, all fasteners per manufacturer spec, and a clean work area before we leave. You get that price in writing before we tear into anything, and every repair comes with our 365-Day Done Right Promise: if it isn’t done right, we make it right, free, for a full year. Dylan Pace will tell you the same thing: “If it’s not in writing, it’s not a promise.”
DIY or Call Us?
Here’s the honest split. There are two things you can safely check from the ground: you can look for visible shingle lifting at the eaves, and you can check your attic for water staining on the underside of the decking after a rain. Neither of those requires a ladder. What we don’t recommend is walking a Fort Lauderdale roof with a soft deck and poking around, because a rotten section that looks solid from the ridge can give way, and a fall from any single-story height is a life-changing injury. The underlayment and deck are structural to the waterproofing of your home; this is not a weekend repair. If you’ve got visible staining, soft spots, or shingles that won’t settle, call us at (754) 354-8628. We’ll tell you what we think before we ever ask for a dime, and the estimate is free.
FAQs
Tamko’s synthetic underlayment is rated for 25 to 30 years in most conditions, but Fort Lauderdale’s heat, humidity, and storm cycle shorten the real-world lifespan of any underlayment to around 15 to 20 years, and we see failures earlier than that when the original install lacked proper fastening or the deck shifted. A roof inspection will show you exactly where your roof is in that range. Call (754) 354-8628 for an assessment; it’s free.
Yes, if the decking below is still sound and the damage is localized, we replace the affected underlayment section with material matched to your Tamko system and seal the seams properly, no full re-roof required. Matching the right Tamko-compatible product is the difference between a patch that holds and one that leaks in the next storm. Call (754) 354-8628 and we’ll give you an honest read on whether spot repair makes sense.
Most single-section deck and underlayment repairs in Fort Lauderdale are completed in four to six hours with our two-person crew, so the roof is dry and watertight before the afternoon thunderstorms roll in. Larger re-deck jobs across multiple slopes typically wrap in one to two days. We’ll give you a time window before we start, and with The Relay Standard you get a live trackable arrival time so you know who’s pulling up and when.
We stock Tamko-compatible underlayment in both the synthetic and self-adhered lines, plus 1/2-inch and 5/8-inch APA-rated decking, on our trucks before we arrive at your Fort Lauderdale home, along with materials from GAF, Owens Corning, and CertainTeed. When the job needs a specific Tamko product we don’t have on board, we source it same day from our local supply partners, and we tell you that before we start, because you should know if you’re waiting on material. Call (754) 354-8628 to schedule your free estimate.
Written by Dylan Pace, Owner, Crestview Roofing Co Fort Lauderdale at Crestview Roofing Co Fort Lauderdale, serving Fort Lauderdale and nearby areas.