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Therma-Tru Fence Installation: The Fort Lauderdale Owner’s Guide
Therma-Tru fence installation in Fort Lauderdale typically runs $3,500 – $9,000 installed, depending on linear footage, gate count, and whether we’re pulling and resetting posts or starting from fresh concrete. Most homeowners call us when a gate sags hard enough to scrape the pavers, or when a post let go during a summer storm and took a section of paneling with it. The good news: we stock the common Therma-Tru fence hardware and panel profiles on our trucks, so a single section or gate rebuild usually happens same visit.

What we see most in Fort Lauderdale is not the Therma-Tru product failing on its own. It’s the install underneath it. Salt air, sandy soil, and afternoon downpours do not forgive a post set shallow or a hinge mounted with the wrong fastener. The fence itself is solid; the connection points are where it falls apart.
Which Therma-Tru Models This Applies To

Therma-Tru builds entry door systems more than full fence lines, but their composite and fiberglass components show up regularly in Fort Lauderdale fence builds: Therma-Tru Classic-Craft and Smooth-Star door panels reused as gate faces, Therma-Tru fiberglass trim boards used as post wraps and top caps, and their composite bottom rails on pool-facing gates. If you have a Therma-Tru gate or fence section, the identifying information is on a small label or embossed stamp on the bottom rail or hinge-side stile. We match that number, not a guess.
One compatibility gotcha worth knowing: Therma-Tru fiberglass skins are thinner than most off-the-shelf wood-grain composites. That means a generic hinge screw can blow through the face if the installer doesn’t pre-drill and use the correct backing plate. We see this on gates installed by general handymen around Victoria Park and Coral Ridge. The OEM hinge sets from Therma-Tru spec a wider plate and a shorter thread specifically for their skin density. Good aftermarket equivalents exist, but they need to match that plate footprint, not just the screw pattern. We use the correct match, and we explain the difference before any work starts.
Styles & brands we work with







Signs Your Therma-Tru Fence Installation Is Failing
- Gate drags or scrapes the pavers on the swing. This usually means the post has settled or the hinge plates have pulled loose from the fiberglass skin. In Fort Lauderdale’s sandy soil, a post set without enough concrete collar depth will lean within two to three years.
- Visible rust streaks running down from hinge or latch hardware. Salt air eats standard zinc hardware fast. If the original installer used interior-grade fasteners, the hardware fails long before the Therma-Tru panel does.
- Top cap or post wrap is lifting at the seams. Therma-Tru fiberglass trim expands and contracts in our humidity swings. Without the correct adhesive and a mechanical fastener at the seam, the joints open up and water gets behind the wrap.
- Gate won’t latch without lifting the panel or forcing it. That’s frame racking, usually from a hinge that’s lost its grip on one side. Forcing it just widens the holes and turns a hinge replacement into a full gate rebuild.
- Fence section feels spongy when you lean on it. The Therma-Tru panel is fine. What you’re feeling is a failed post or a rail connection that was never properly seated. Composite and fiberglass won’t rot, but they will sag if the structure behind them isn’t sound.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
Most Therma-Tru fence installation work in Fort Lauderdale lands between $3,500 and $9,000. A single sagging gate rebuild with new hinges, hardware, and post reinforcement typically runs $800 – $1,800. A full fence with Therma-Tru composite panels, fiberglass post wraps, and two gates lands in the $6,000 – $9,000 range depending on linear feet and whether old concrete footings need to be cut out and re-poured.
Every quote from Penhallow Remodeling Fort Lauderdale includes the parts, the labor, the concrete work, and the cleanup as one written number. No change orders once we start, no surprise line items when the old posts come out of the ground. The 365-Day Done Right Promise applies here: if a gate sags or a post shifts inside the first year, we come back and fix it at no charge. That promise is in writing on every job, and we’ve been operating to the Kingswell Way since 2004.

DIY or Call Us?
What you can safely do: check the hinge screws for looseness, clear debris from the latch, note where the gate is dragging, and measure your panel width and height. That information helps us quote the job accurately over the phone.
What goes wrong with DIY on Therma-Tru fence work: fiberglass skins crack when driven with the wrong pilot hole, generic hinge plates pull through the face, and a post reset without the correct concrete depth in Fort Lauderdale’s soil means you redo the job in eighteen months. If the failure is structural, call us and let a background-checked, uniformed technician handle the tear-out and reset. Tell me what you need, I’ll tell you what it costs, then we’ll get it done. Call (754) 551-2922 for a free estimate.
FAQs

The Therma-Tru fiberglass and composite components themselves will last 20+ years, but the hardware and post settings in our salt air and sandy soil typically need attention every 5 – 8 years. The panel is rarely the point of failure; the connections are. Call (754) 551-2922 and we’ll tell you exactly what’s failing on yours.
Usually yes. If the post is sound and the panel skin is intact, we can rebuild hinges, replace hardware, and reinforce the connection points without pulling the whole section. We only recommend full replacement when the structure behind the panel has failed. Estimates are free, so call (754) 551-2922 and we’ll give you a clear answer.
A single gate rebuild or section repair is typically done same day. A full fence with new posts and concrete work usually takes two to three days, including post-setting cure time. We’ll give you a written arrival window before we start.
We keep the common Therma-Tru hinge plates, latch sets, composite rails, and fiberglass trim profiles on our trucks for Fort Lauderdale jobs. Less common panel profiles we order from our supplier, usually arriving within a few business days. If you need a specific match, call (754) 551-2922 with the model label info and we’ll confirm before we arrive.
Written by Trevor Nash, Owner, Penhallow Remodeling Fort Lauderdale at Penhallow Remodeling Fort Lauderdale, serving Fort Lauderdale and nearby areas.


