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Therma-Tru Impact Garage Doors: The Palm Beach Gardens Owner’s Guide
Therma-Tru impact garage door replacement in Palm Beach Gardens typically runs $3,800-$7,200 installed, and we keep the most common Therma-Tru hardware and panel components on our trucks for same-visit diagnosis. What usually brings a homeowner to this page is not a door that looks broken. It’s a door that’s begun to drag on one side, a panel that’s delaminating at the bottom corner, or a mounting bracket that’s pulled loose from the jamb after years of storm loading. Most of these doors fail slowly, then all at once. Here’s what you need to know before you spend a dollar.
We’re an independent Palm Beach Gardens service provider, not a Therma-Tru corporate entity. That matters because it means we quote the part and the labor honestly without a sales quota attached to the model number.
Which Therma-Tru Models This Applies To
Therma-Tru’s impact-rated garage door program is much narrower than their entry door catalog. The models we see most in Palm Beach Gardens are the Legacy Steel insulated line and the Classic Collection, both of which can be ordered with a Miami-Dade NOA (Notice of Acceptance) or Florida Building Code impact rating when you specify the reinforced track system. If you’re not sure what you have, start with the side hinge: Therma-Tru stamps the model information on the hinge leaf itself and on a compliance sticker on the inside of the top panel. A door spec will look like TT-LG-16×7-IMP, which tells us the thickness, size, and whether it’s an impact-rated build.
The compatibility gotcha in this area: you cannot put standard hinges on an impact-rated door panel and expect the wind-load rating to hold. A few replacement hardware kits sold online and over the counter are not NOA-approved as assembled systems. We see it most often when someone bought a house with an impact-rated door and a handyman swapped in a stock hinge from a supply house. The door works until a storm inspection finds the rating void. TruePane matches the hinge kit to the original Therma-Tru spec and keeps the documentation with your file, because the warranty and the wind mitigation credit both depend on that paper trail. If you have a choice between OEM and aftermarket, Therma-Tru OEM hardware is worth the premium on impact doors specifically. The tolerances are tighter and the galvanization is heavier than the generic equivalents that work fine indoors but corrode within a few years on a coastal Palm Beach Gardens door.
Signs Your Therma-Tru Impact Garage Doors Is Failing
We diagnose these in the field every week. Here’s what the owners typically describe before they call us:
- Door drags or binds on one side of the track. This is the hinge pin wearing oval and the panel shifting out of alignment as a result. On an impact-rated door, that drift puts more load on the corner brackets that anchor the panel to the track. It is not something to shim and forget.
- Bottom panel is separating or showing a soft spot at the corner. In Palm Beach Gardens, the salt air and the drainage at the slab edge work on the bottom seal first, and once water gets into the panel core, the steel shell starts to separate. This is the most common failure we see on doors that are 12 years old or older.
- Mounting brackets have pulled loose from the jamb or header. The wood behind a garage opening collects moisture and loses holding power over time. Impact-rated doors load those brackets hard during storms, and a loose bracket is the first sign that the attachment point is no longer doing its job.
- You hear a sharp pop or crack from the panel area, not the motor. That’s often a roller shaft or a hinge pin fracturing under load. It sounds like the panel cracked, but more often it’s a hardware failure that you can catch before the door comes off the track.
- The door sits a half inch lower on one side when closed. This is the classic symptom of a spring that’s losing tension unevenly and a track that’s no longer square to the opening. On a regular door it’s an annoyance. On an impact door, that uneven stake seating weakens the wind-load path and reduces the rating the whole assembly was built to meet.
Replacement Cost & What’s Included
For a full replacement in Palm Beach Gardens, expect $3,800-$7,200 installed. The spread comes down to the panel gauge, the insulation spec, whether the door carries the Miami-Dade or standard Florida impact rating, and the condition of the track and mounting structure. If the substructure is sound and it’s a like-for-like swap, the job usually lands in the lower half of that range. If the bottom corners have water damage, that’s when we’re also pulling damaged wood and re-anchoring the brackets, and the price moves up accordingly.
Every quote is written and line-itemed before work starts. You’ll see the hardware cost, the panel cost, and the labor separated on paper, and both manufacturer warranty layers get registered in writing before the truck pulls away. Our Done Right Promise covers the workmanship with no fine-print fights. We state the warranty duration on the invoice, not on a brochure.
DIY or Call Us?
What you can safely check yourself: read the compliance sticker, photograph the hinges and brackets on the inside of the door, and note whether the door is sitting level when closed. These notes help a good tech quote accurately over the phone.
What we recommend against doing yourself: unbolting or adjusting any bracket, hinge, or track component on an impact-rated door. There is genuine tension loaded into that hardware, and the heavy panels can shift without warning when a hinge lets go. That is not a hard-sell line, it’s just what the work actually looks like from years of doing it. If the fix is simple and small, we’ll tell you that on the phone and charge you accordingly. Most panel and hinge replacements are done in a single visit. Call us at (772) 794-8169 and we’ll talk it through honestly, no service call charge for the conversation.
FAQs
Plan on 12 to 18 years of serviceable life in this climate. The panels themselves can outlast that, but the hinges, bottom seals, and mounting hardware take the brunt of the Palm Beach Gardens salt air and humidity, and those are the parts that typically bring the door to a repair or replacement decision. A door that’s been maintained and kept clean at the bottom edge can go longer; a door that sits wet at the slab line can fail sooner. Call (772) 794-8169 with your door’s age and we’ll give you a straight read on what to expect.
Yes, hinges, rollers, brackets, bottom seals, and individual panel sections can all be repaired or replaced as long as the door’s frame and the panel assembly are still sound and the rating can be maintained. If the bottom panel has rotted through or the track is out of square, repair stops making financial sense and we’ll tell you that before anyone picks up a wrench. The estimate is free either way, and we’ll show you the numbers side by side.
Most like-for-like replacements in Palm Beach Gardens are done in a single day, with the old door removed and the new one hung, balanced, and tested by the time we leave. If we’re addressing water damage at the mounting points or the track is being replaced, that can extend the job into a second appointment. We’ll tell you the actual schedule before we start, and we’ll be there when we say.
We stock common Therma-Tru hinges, rollers, brackets, and bottom seals on our trucks, which is why we can often complete a repair on the first visit in Palm Beach Gardens. For full door or panel replacements, we quote directly against the Therma-Tru line with current lead times, and we also work with PGT, CGI, and CWS systems when a homeowner wants to compare products side by side on paper.
Written by Dale Kessler, Owner, TruePane Windows & Doors at TruePane Windows & Doors, serving Palm Beach Gardens and nearby areas.
Six Reasons Homeowners Choose TruePane Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.



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