New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors Jacksonville pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Therma-Tru Sliding & Patio Doors: The Jacksonville Owner’s Guide
We stock and install Therma-Tru-compatible sliding and patio door rollers, handles, locksets, and weatherstripping across Jacksonville, with most hardware repairs running $185 to $420 installed and full door replacements typically $2,400 to $5,800 depending on size and glass package. If your door drags, sticks, or won’t lock, we can usually get it working same week, not same month. You’ll know a part has failed because the door suddenly needs two hands to move, the lock no longer catches, or you can feel outside air pushing through the seam even when the panel is closed tight.
Which Therma-Tru Models This Applies To
Therma-Tru sliding and patio doors fall into two main series: the 300 Series (their builder-grade fiberglass line) and the 500 Series (thicker frames, better weather ratings, and the one we see more often in newer Jacksonville construction). A third line, the Legacy Series, appears mostly in older homes in San Marco and Riverside and can be trickier because some of its hardware is discontinued. The fastest way to match a part is the sticker on the door edge or top rail, which lists the series number and manufacturing date. If the sticker is gone, we measure the roller housing width and the lock bore spacing, because a 300 Series roller will not seat correctly in a 500 Series frame. For hardware, OEM Therma-Tru parts fit exactly but can take two to three weeks to arrive; quality aftermarket equivalents from PGT and CWS distributors often match spec and land faster. We’ll tell you which route costs less before you commit to anything.
Signs Your Therma-Tru Sliding & Patio Doors Is Failing
Here are the five symptoms we respond to most in Jacksonville, and what’s actually going on when you see them:
- Door drags or scrapes mid-track. The roller wheels have flat spots or the bearings seized, usually from years of sand and humidity grit grinding into the housing.
- Lock won’t engage fully. The latch has drifted out of alignment with the strike plate because the panel dropped a fraction of an inch, which means the rollers are worn unevenly.
- Handle feels loose or the key spins without resistance. The internal spring or the tailpiece inside the mortise lock has broken, which is common on doors used daily for a decade.
- You can see daylight or feel a draft along the interlock where the two panels meet. The weatherseal at the meeting stile has compressed or torn, and Florida humidity has done the rest.
- Panel shifts in the frame when you push on it. The top guide or bottom track has worn past spec, which is a Jacksonville-specific reality because fine coastal sand acts like sandpaper inside the track.
Replacement Cost & What’s Included
In Jacksonville, expect to pay $185 to $320 for a roller replacement on a Therma-Tru sliding door, including the new rollers, track cleaning, and alignment. A new handle and lockset assembly runs $140 to $260 installed. Full weatherseal replacement averages $225 to $380 depending on how many seals need cutting. A complete Therma-Tru patio door replacement, glass included, runs $2,400 to $5,800, driven by size, impact rating, and whether it’s a 300 or 500 Series frame. Every quote we write includes parts and labor, put on paper before any work starts, and backed in writing for 365 days. If a part fails within that year, we come back at no charge. That’s the 365-Day Done Right Promise, written on every invoice.
DIY or Call Us?
You can safely vacuum the bottom track, wipe down the rollers, and tighten visible screws on the handle without much risk. What you shouldn’t do is try to pull the panel out to replace a roller or dig into the lock assembly without knowing what you’re working on. A sliding patio door panel can weigh 90 to 150 pounds depending on glass and frame, and when it comes off the track wrong, it can tip and cause real damage to you or the frame. By the time you’ve rented the suction cups and wrestled the panel flat, you’ll have spent half a Sunday and still not fixed the underlying issue. Elliot Vance and our crew measure twice, quote once, everything after that is just showing up. Call us at (904) 513-9670 and we’ll match the part, give you a written price, and make the call on repair versus replace with no pressure.
FAQs
In the Jacksonville climate, most Therma-Tru rollers last 8 to 12 years depending on track maintenance, humidity exposure, and how much coastal sand works its way into the track. But some fail sooner if the door is the primary entrance to an outdoor screen room or if the track hasn’t been cleaned regularly. If your door is 10+ years old and dragging, the rollers are likely the issue. Call (904) 513-9670 for an assessment and a written quote, no obligation.
Yes, most Therma-Tru patio doors can be repaired with new rollers, locksets, or weathersealing for a few hundred dollars, as long as the fiberglass frame and glass are still intact. But if the frame itself is warped, cracked, or water-damaged, replacement becomes the more honest option. We’ll tell you which route actually saves you money. Call (904) 513-9670 for an exact recommendation and a free, written estimate.
Most roller, lock, and weatherseal repairs on Therma-Tru doors take 45 minutes to two hours on site, once we’ve matched the part. We carry common Therma-Tru-compatible hardware on the truck so we can often complete the job in a single visit. For less common parts, we’ll give you an honest timeline before you pay anything. Call (904) 513-9670 and we’ll walk you through what we carry and when we can get it done.
We stock common Therma-Tru-compatible rollers, handles, locksets, and weathersealing on the truck for same-visit fixes in Jacksonville, with OEM parts available on special order when exact factory match matters. Our truck carries parts compatible with PGT, CGI, and CWS as well, so we can usually get you rolling the same day. If the part you need isn’t on hand, we’ll tell you the real shipping time and write the price down before you commit. Call (904) 513-9670 to check stock for your specific model.
Written by Elliot Vance, Owner, Meridian Windows and Doors Jacksonville at Meridian Windows and Doors Jacksonville, serving Jacksonville and nearby areas.
Six Reasons Homeowners Choose Meridian Windows and Doors Jacksonville
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.