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Mr-Glass Window Replacement: The Boynton Beach Owner’s Guide
If you have a Mr-Glass window with a failed insulated unit, fogged glass, or a cracked pane, we stock and install Mr-Glass-compatible replacement glass in Boynton Beach. Most Mr-Glass window replacements run between $210 and $480 per pane installed, depending on glass package, size, and whether the sash needs re-bedding. We can usually turn it around in three to five business days from measurement to install, and we’ll come out same week to measure and give you a written quote. Most owners find the problem the hard way: a window that won’t clear up when you wipe it, condensation that lives between the panes, or a crack that started at the edge and wandered across the glass.
TruePane Windows & Doors is an independent service provider. We are not affiliated with Mr-Glass, but we know their product lines and we match their glass specs correctly the first time.
Which Mr-Glass Models This Applies To
Mr-Glass has sold a range of aluminum-frame and vinyl-frame windows across South Florida over the years, and the replacement process depends on which generation you have. Most Boynton Beach homes we visit have one of three situations:
- Single-hung or horizontal slider with a fixed top or side lite - the fixed lite is the easiest to replace. We pull the glazing bead, clean the channel, set new glass, and re-glaze. These are the most common Mr-Glass units we service in Boynton Beach.
- Mr-Glass impact units - if your window carries a Florida Product Approval number (it’ll be on a sticker or etched in the corner of the glass), the replacement glass must match the original impact spec. You cannot put standard glass into an impact-rated opening and expect the window to perform the way it was tested. We order through approved channels and keep the paperwork with the job file.
- Vinyl-frame Mr-Glass lines with internal glazing beads - these require a specific bead profile and glazing wedge. If someone installs the wrong bead, you’ll hear the glass rattle in the frame within a year, and the unit will leak air past the seal.
One checkable detail most homeowners don’t know: Mr-Glass replacement parts are not interchangeable between their aluminum and vinyl lines. The glass dimensions might read the same, but the glazing channel depth differs by three to four millimeters. That’s enough for the glass to sit proud of the frame or recess too deep, and either way the seal fails early. We measure every opening twice and quote from those measurements, not from a label someone thinks sounds right.
Signs Your Mr-Glass Window Replacement Is Failing
- Persistent fog or haze between the panes. The seal between the two lites of glass has failed, and the desiccant inside the spacer bar is saturated. Once that happens, the fog won’t burn off. This is the number-one Mr-Glass failure we see in Boynton Beach, usually on west-facing windows that take the full afternoon sun.
- A crack that starts at the frame edge and runs toward center. Often caused by a settling frame, a hard slam, or a stress point from a poorly shimmed rough opening. If the crack grows from the edge, the glass is done. You’re not gluing it back.
- Water staining on the interior sill or drywall below the window. This signals a failed glazing seal or a warp in the frame that allowed water to track inside. In Boynton Beach, this shows up right around August when the afternoon storms get serious.
- The window is harder to slide or lock than it used to be. A sagging sash or an out-of-square frame can pinch the glass and eventually crack it. If dragging starts, don’t force the glass back into alignment by cranking the latch. Forcing it is how cracked panes happen.
- Visible gaps between the glass and the glazing bead. If daylight shows through where the glass meets the frame, the seal is gone and the unit is no longer doing its job. This is a quick call. Left alone, the opening will take on water and the sash will warp further.
Replacement Cost & What’s Included
In Boynton Beach, a Mr-Glass window replacement for a standard clear insulated unit typically runs $210 to $320 installed. A tinted or low-E unit adds $40 to $90 per pane. Impact-rated Mr-Glass replacement glass runs higher, usually $380 to $480 per pane, because the glass package itself costs more and the installation has to be documented. Larger panes, second-story access, or windows that need the sash re-bedded will push toward the top of those ranges.
Every quote we write is a fixed price. The glass, the labor, the glazing, the clean-up, and the warranty registration are all on the paper. You’ll see the manufacturer warranty duration in writing, and our Done Right Promise on top of it. If the pane is not true, the job is not done. We don’t leave a Mr-Glass replacement until the glass sits square in the frame and the bead seats cleanly.
DIY or Call Us?
You can check a few things yourself before calling. Look at the corner of the glass for an etched logo or product approval number. That tells us what we’re matching. Measure the visible glass width and height to the nearest eighth of an inch. Take a photo of the window from inside and out. That’s enough for a rough conversation.
Where DIY goes wrong is in the removal and the re-glazing. Aluminum-frame Mr-Glass windows use a vinyl glazing wedge that hides under the exterior sealant. If you pry it wrong, you bend the aluminum and the new glass never seats properly. Impact-rated replacements have to match a specific approval, and a mismatched unit isn’t just under-spec, it’s a problem on resale. This is not a weekend project where the worst outcome is a scrape on the frame. It’s glass under tension, in a track, in a wall opening. Call us at (561) 708-6771. We’ll bring the right glass, the right bead, and the right tools, and the window will be done.
FAQs
A properly installed replacement insulated glass unit in Boynton Beach should last 15 to 20 years, longer if it’s not taking direct afternoon sun. Failed seals happen earlier on western exposures and in frames that were never re-shimmed after settling. We register both warranty layers in writing so the coverage is documented from day one, not remembered from a conversation.
No. Once the seal between the panes lets go, the desiccant is saturated and the glass assembly is finished. The only fix is a new insulated unit. Some companies sell a vent-and-clean service, and we won’t knock anyone trying, but we don’t offer it because it doesn’t hold in Florida humidity. Call (561) 708-6771 for a straight answer on your specific window.
Most single-pane Mr-Glass replacements take 45 minutes to an hour on site. We remove the old glass and bead, clean the track, set the new unit, re-glaze with fresh sealant, and clean the area before we leave. Impact-rated replacements can take longer because the sash needs to come out and be re-bedded. Call (561) 708-6771 and we’ll tell you what yours needs.
We stock the common clear and low-E insulated glass sizes that fit most Mr-Glass single-hung and slider lines. Non-standard sizes, tints, and impact-rated units are ordered once we confirm measurements, which usually takes three to five business days. We also stock replacement parts for PGT, CGI, and CWS window lines, so if your home has a mix of brands, one call covers it. Call (561) 708-6771 to check your size.
Written by Dale Kessler, Owner, TruePane Windows & Doors at TruePane Windows & Doors, serving Boynton 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.



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