Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Sliding glass doors
Impact garage doorsPGTCGI
Before
After
Before
After
Before
AfterTherma-Tru Sliding Glass & Patio Doors in Royal Palm Beach: What to Know First
We repair and replace Therma-Tru sliding glass and patio doors throughout Royal Palm Beach, and most jobs are completed in a single visit. As an independent Therma-Tru service provider (not a manufacturer-authorized dealer), we source OEM parts where warranty coverage matters and quality aftermarket components where an upgrade makes more sense. The typical repair in Royal Palm Beach runs between $185 and $420, and a full door replacement usually falls between $1,600 and $3,800 depending on panel count and glass package. If you own a Therma-Tru door that binds, leaks, or won’t lock, call (386) 251-6745 and a live person answers.
This page is written for the homeowner who already knows their door says Therma-Tru on the frame and wants straight answers about what’s failing and what it costs. No scripted call center, no pressure to replace a door that needs a $40 part. Dale Kessler grew up off Crestwood Boulevard here in Royal Palm Beach, and the questions you’re asking are the same ones he’s answered on job sites across Palm Beach County for nearly three decades.
Key Takeaways:
- Therma-Tru patio doors in Royal Palm Beach fail most often at the bottom track, the tandem rollers, and the latch strike alignment, not the panel itself.
- Repairs are usually single-visit. Replacements on custom sizes take 2 to 3 weeks for ordered panels.
- Both manufacturer warranty layers get registered in writing on every job we do, per our Keystone Standard.
- A live person answers our phone 24 hours a day, 7 days a week. Call (386) 251-6745 for a free estimate.
How Therma-Tru Products Fail - and How We Fix Them
Therma-Tru built its reputation on fiberglass entry doors, and its sliding patio door line follows that same material-first thinking. The fiberglass-clad frames hold up well in South Florida humidity compared to raw wood, but the sliding hardware and weatherstripping share the same failure points as most manufacturers. Here’s what we see most often in Royal Palm Beach:
- Stuck or dragging panel, especially after rain. Therma-Tru’s aluminum track collects sand and shell grit that Royal Palm Beach wind carries off the yards. The grit gets into the tandem roller bearings, the nylon wheels flatten or seize, and the panel starts sliding like it’s pushing gravel. We pull the panel, clean the track channel, and replace the tandem rollers with a sturdier aftermarket assembly that rotates freely under the weight of a fiberglass panel. Therma-Tru OEM rollers work, but the aftermarket version lasts longer on sand-worn tracks.
- Water intrusion at the threshold during heavy rain. Therma-Tru’s interlocking threshold design works until the vinyl weather flap on the bottom of the panel compresses or tears. Once that flap goes flat, a wind-driven summer downpour pushes water up and over the threshold. We replace the bottom sweep with a grade that stays flexible in 90-degree heat, and we check the sill dam for cracks. The aftermarket sweep costs less than the OEM and fits the same channel, a detail Therma-Tru won’t tell you but a glazier will.
- Latch strike misalignment on the SmoothStar sliding line. The SmoothStar patio doors use a single-point latch that depends on precise strike plate alignment. Frame settling is common in Royal Palm Beach’s mucky soil, and a quarter-inch shift means the latch catches the edge of the strike instead of seating. You’ll feel it as a door that locks only when you lift and tug. We realign the strike, shim the frame corner, and the door locks with one finger afterwards.
- Condensation or fog between triple-pane units. Therma-Tru’s triple-pane glass packages carry long seal warranties, but the seal is only as good as the installation of the panel. A panel installed under frame pressure flexes the glass ever so slightly, and after three or four Royal Palm Beach summers, the edge seal lets go. Fogged glass on an older Therma-Tru unit usually means a new insulated glass assembly rather than a seal repair, and we order the replacement through a supplier who matches the original low-E coating, not a generic substitute.
- Screen door that no longer slides smoothly. The sliding screen on Therma-Tru patio doors hangs from a hollow top rail that is more vulnerable than the main door frame. After a few seasons, the top rail bends and the screen sags onto the track. We re-square the screen frame and replace the roller springs, which costs less than a new screen and restores the one-handed slide. If the mesh is also blown out from brush or pets, that’s a separate small cost and we’ll quote it before doing the work.
Our Therma-Tru Sliding Glass & Patio Doors Process
Every Therma-Tru job follows the same order of work, whether it’s a roller replacement or a full-door swap. We measure every opening twice, and we write the quote on paper so you see the line items before you sign anything.
- 1
Call and ask. A live person answers at (386) 251-6745, day or night. You describe the door’s behavior, the brand and approximate age if you know it, and anything you’ve already tried.
- 2
We inspect the door in person. We examine the track, rollers, latch, threshold, weatherstripping, and frame corners. We listen to how the door rides and measure the gaps with a feeler gauge. The diagnosis goes on the quote, not just the price.
- 3
Parts decision on paper. If the door is under an active Therma-Tru warranty, we quote OEM parts and register both warranty layers in your name in writing. If the warranty has lapsed or the OEM part has a known weak point, we quote the aftermarket version and explain why we recommend it. You decide. We install what you approve.
- 4
The repair or replacement. Background-checked, uniformed technicians do the work. We protect the surrounding floor, keep the work area clean, and take the panel out only when the job requires it. Most repairs happen in one visit.
- 5
Test and walk-through. We slide the door back and forth a dozen times, check the lock engagement, run water over the threshold if the issue was a leak, and open and close the door with you present. If something is not right, it’s fixed before we leave.
- 6
Done Right Promise. The work is backed for 90 days in writing. If it’s not done right, we make it right. No paperwork fight, no arguing. We stand behind it.
What Therma-Tru Sliding Glass & Patio Doors Costs in Royal Palm Beach
Here’s the honest pricing, based on the jobs we’ve actually done in Royal Palm Beach over the years. These are the numbers we put in writing on every estimate.
- Roller replacement (per panel): $185-$320
- Track cleaning and alignment: $90-$160
- Bottom sweep / weatherstripping replacement: $85-$195
- Latch and strike plate realignment: $110-$230
- Insulated glass replacement (single panel): $420-$900
- Full sliding patio door replacement (6-ft panel, standard glass): $1,600-$2,800
- Full replacement (larger multi-panel, impact-rated): $2,400-$3,800
What moves the price: panel count, glass package (triple-pane is pricier than double, impact-rated adds more), frame condition at the threshold, and whether we’re matching a custom rough opening. Our quotes are line-item, fixed, and there’s a permanent 5% discount for seniors and veterans. Call (386) 251-6745 for an exact price on your door. Estimates are free.
Why Royal Palm Beach Homeowners Call TruePane Windows & Doors for Therma-Tru Work
We’ve been serving Royal Palm Beach and Palm Beach County since 2008 as a craft tradition. Dale Kessler founded TruePane in 2008 because his father, a general contractor for twenty years, taught him early that a bad window or door installation costs twice what a good one does. That rule has governed every job since.
We are an authorized installer for more than a dozen manufacturer lines, including, PGT, CGI, and ES Windows. That breadth matters when a Therma-Tru door is not worth repairing. We can quote a Therma-Tru repair beside a PGT, CGI, CWS, or ES Windows replacement on the same page of paper, and you see exactly what you’re buying from each. Most companies only sell one line. We don’t. The Keystone Standard comes with every job: both manufacturer warranty layers registered in writing, durations stated, before the truck leaves the driveway. We hire local, train apprentices into journeymen, and plan to be in Royal Palm Beach thirty years from now.
FAQs
Therma-Tru’s warranty coverage depends on the door’s age, the product line, and whether you are the original purchaser. Most patio door component warranties run 10 years for the frame and varying shorter periods for hardware and glass. We can determine your door’s coverage during the inspection and register both manufacturer warranty layers in writing so you have exactly what the manufacturer promises, with durations stated, on paper. Call (386) 251-6745 and we’ll walk through it with you.
We source both. If your door is under an active Therma-Tru warranty, we use OEM parts and register the warranty claim in your name. If the warranty has lapsed or a specific OEM part has a known weak point, we often recommend a higher-quality aftermarket version, such as the tandem rollers or bottom sweeps, and we’ll show you why on the quote before any work begins. Either way, the part goes on the written estimate, not buried in the final bill.
If the frame is square, the glass is clear, and the issue is a roller, sweep, or latch, repair almost always makes better financial sense: $185 to $320 versus $1,600 and up. Replacement becomes the right call when the frame has rotted at the threshold, the glass has failed in more than one panel, or the door no longer seals against wind-driven rain. We give you the repair and replace numbers side by side, and you choose. No one pressures you into a new door because it’s easier for them to sell.
Most Therma-Tru sliding door repairs are done in a single visit, usually 60 to 90 minutes for a roller or latch fix. Glass replacement takes one visit to measure and order, then one more to install, typically 5 to 10 business days out. Full replacements run 2 to 3 weeks for ordered panels. We’ll give you a specific window when we quote the job and we’ll be there when we say.
Yes. Our background-checked, uniformed technicians do the measuring, the repair, and the walk-through. We do not subcontract Therma-Tru work, and the person who quotes your job is often the person who will be back to do it. If a follow-up is ever needed under our Done Right Promise, you call the same number and a live person answers 24 hours a day, 7 days a week.
If your Therma-Tru sliding glass or patio door is not sliding right, locking right, or sealing right, call (386) 251-6745. Dale Kessler and the TruePane team will give you a square deal in writing, and if it is not sealed right, the next storm will tell you. We intend to make sure it never does.
Written by Dale Kessler, Owner, TruePane Windows & Doors at TruePane Windows & Doors, serving Royal Palm Beach 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.