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Mr-Glass Sliding & Patio Doors: The Stuart Owner’s Guide
If your Mr-Glass sliding or patio door is grinding, sticking, or letting daylight through where it shouldn’t, we stock and install Mr-Glass-compatible rollers, tracks, handles, locks, and weatherstripping for most models found in Stuart homes. A typical parts replacement runs $180 to $475 installed in Martin County, depending on what’s worn and whether the track needs alignment, and most jobs take under two hours once the door is measured. The usual discovery is a door that used to glide and now needs a shoulder, or a lock that no longer catches with the certainty it did five years ago.
What we see most often in Stuart is corrosion from salt air and constant humidity eating at the roller bearings long before the glass or frame shows any wear. You’ll notice it first as a door that binds in the track mid-summer, then frees up again once a cold front passes. That’s the metal swelling against a failing roller, and it doesn’t fix itself.
Which Mr-Glass Models This Applies To
Mr-Glass produced several sliding door lines over the years, and the parts are not universal across them. The most common units we service around Stuart are the 6600 and 7200 series, distinguishable by the track profile: the 6600 runs on a flat aluminum track with exposed rollers, while the 7200 uses a raised rib track with the rollers tucked inside the stile. Pull the door panel off the track and look at the bottom edge. The 6600 shows two visible roller housings; the 7200 hides them behind a snap-on cover. Measure the stile width too. 6600 stiles are 1-5/8 inches; 7200s are thicker at 2 inches, and a replacement roller for one will not seat properly in the other.
For OEM versus aftermarket: Mr-Glass original rollers are decent but the plastic wheel bodies get brittle after a decade of Florida UV and salt exposure. We regularly pull originals that crumbled in our hands. A quality aftermarket roller with a stainless steel body and sealed nylon or steel wheel will outlast the OEM part here, and costs about the same as factory replacement. If your door came with Mr-Glass’s tempered glass pak, the replacement roller needs the same 1-1/8 inch ride height or the door will sit cocked and the lock plate won’t line up. That ride-height mismatch is the number-one reason a homeowner replaces rollers correctly and still ends up with a door that won’t latch.
Signs Your Mr-Glass Sliding & Patio Doors Is Failing
- Door grinds or rumbles when sliding. The roller bearings are shot, usually from sand and salt film working into the race. The wheel may still turn, but it’s chewing metal. In Stuart’s humidity, this starts as a faint scrape and becomes a growl within a year.
- Door lifts over the track instead of rolling. The roller wheel has flattened or the axle has worn egg-shaped. You’re dragging the panel, not rolling it. Every time you force it, you’re gouging the track and spreading the repair cost.
- Lock bolt no longer engages the keeper or requires lifting the door. This almost always traces back to ride height, not the lock itself. If the door dropped even 1/8 inch from worn rollers, the bolt and the keeper are misaligned and no amount of jiggling fixes it.
- Visible light or airflow along the top or side edges when closed. Weatherstripping has flattened or the panel has settled. In Stuart, this is also how you get wheezing humidity and rising summer electric bills. The a/c runs harder, not smarter.
- Squeaking or chattering when the door passes the midpoint of the track. The aluminum track has worn a low spot where the rollers spend most of their life. Once the track is scored or dished, replacing rollers alone buys you months, not years. The repaired door will still catch in the worn depression.
Replacement Cost & What’s Included
For Stuart homeowners, Mr-Glass slider parts replacement with TruePane runs as follows:
- Roller replacement (both panels, standard 6600 or 7200 series): $180-$340 installed, including track cleaning and ride-height adjustment
- Handle and lock assembly replacement: $120-$225 installed, depending on whether the keeper plate needs repositioning
- Weatherstripping and interlock seal replacement: $90-$190 installed
- Track repair or replacement (when the aluminum has dished or scored): $250-$475 installed
Every quote is a firm number before we start, and the price we write is the price on the bill. We don’t add surprise line items for a rail that needed shims or a floor that needed sweeping. The work is covered by our Done Right Promise, which is plain: if it’s not done right, we fix it, no paperwork and no arguing.
What drives the range is mostly condition of the track and whether the original rollers were installed with the correct ride height. A door that’s been forced for years has often damaged the aluminum beyond what new rollers can cure, and that’s normally the difference between a $200 job and a $400 job.
DIY or Call Us?
Sliding door rollers are not a high-tension part. You can lift the panel out and inspect the bottom edge safely with a helper and two flat-head screwdrivers. What you should not attempt is prying a stuck roller housing out of a corroded stile with a hammer, or cutting a new track notch without the right relief profile. Aluminum door tracks in Stuart take a beating from sand and salt, and once metal is deformed it does not spring back. We’ve repaired more than a few doors where the homeowner’s well-intentioned effort turned a roller job into a track replacement.
If you can identify the roller and remove it cleanly, the swap is often doable. If the roller won’t come out without force, or the track shows a visible depression where the panel rests, call us at (754) 324-4646 before you take a saw or grinder to the frame. Estimating the repair costs nothing.
FAQs
Expect 8 to 12 years in Stuart’s salt-laden coastal air before the rollers need replacement. Doors on the east side of the house or within a mile of the St. Lucie River tend to wear faster. If your house sits a few blocks from the water, plan more toward the 8-year end. Call (754) 324-4646 and we’ll tell you honestly whether your rollers are worn or you’re still good for another season.
No. Mr-Glass rollers are sealed units with stamped-in axles, and once the bearing is contaminated or the wheel is flattened, the only workable repair is a replacement roller. Any repair that tries to flush and re-grease the bearing won’t last in Stuart humidity. Call (754) 324-4646 for an exact quote. Estimates are free.
Most Mr-Glass roller, handle, and weatherstrip replacements at TruePane are done in one visit of about 2 hours, start to finish. Track replacements run closer to 4 hours. We measure the opening twice before we order a part, so the time on site is spent installing, not improvising. Call (754) 324-4646 to schedule a free estimate and we’ll confirm the exact timeline for your door model.
Yes. Our trucks carry Mr-Glass-compatible rollers for the 6600 and 7200 series, along with common handles, locks, and weatherseal profiles used across Stuart homes. We also stock equivalent parts for PGT, CGI, and CWS doors, which lets us match a Mr-Glass unit to a better-fitting aftermarket part when the original is backordered. Call (754) 324-4646 and the person who answers can tell you what’s on the truck before we roll.
If the opening is right, the rest is just doing the work. At TruePane, we’ve been reading rough openings and matching replacement parts in Martin County for years, and the standard never changes: measure right, price square, and stand behind the work. Dale Kessler and the team serve Stuart with the same care we’d bring to a family member’s door. Call (754) 324-4646 for a free estimate and a firm number before the work begins.
Written by Dale Kessler, Owner, TruePane Windows & Doors at TruePane Windows & Doors, serving Stuart 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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