Mr-Glass Window Replacement Nationwide | TruePane Windows & Doors

Mr-Glass Window Replacement: The Coral Gables Owner’s Guide

We stock and install Mr-Glass-compatible replacement windows throughout Coral Gables, with most single-window swaps running between $450 and $1,200 installed depending on glass type, frame condition, and whether the existing Mr-Glass sash hardware can be reused. Most jobs are completed in a single visit, and we carry common Mr-Glass glass packs and sash components on the truck so a technician can often match the unit the first time out. The way most Coral Gables homeowners discover the failure is simple: the window gets hard to open after a storm, or moisture starts showing between the panes, or the room that used to stay cool now runs warm by midafternoon.

Call (954) 507-3613

We’re an independent service provider. We didn’t manufacture these windows, and we’re not affiliated with Mr-Glass. What we do is replace them properly when they fail, and we’ve learned over the years which parts of a Mr-Glass unit tend to go first in South Florida weather.

Which Mr-Glass Models This Applies To

Mr-Glass built horizontal rolling windows, single-hung vertical sliders, and fixed picture units that went into a lot of Coral Gables homes built from the late 1980s through the early 2000s. The replacement approach changes depending on which style you have. Fixed picture units are usually the simplest: we pull the stop, cut a new insulated glass pack to the exact daylight opening, and reset it with fresh setting blocks and sealant. Rolling and hung units are more involved because the sash frames carry rollers, balancers, and weatherstripping that wear at their own rate.

If you still have the original label, it’s usually on the narrow edge of the sash or on the spacer bar between the panes. That label carries the Miami-Dade or Florida product approval number and the glass make-up, which tells us thickness, tint, and whether the original was laminated impact glass or standard annealed. No label? Measure the visible glass, not the frame. Glass width to glass width, height from the bottom of the visible glass to the top. We match to the visible glass dimensions and then verify the frame pocket depth before ordering or cutting anything. One compatibility gotcha we run into regularly in Coral Gables: older Mr-Glass frames were built for 7/16-inch insulated glass, while later production runs used 1-inch glass packs. The two are not interchangeable in the same frame pocket, and forcing one into the other is how you get a seal leak six months later.

For the decision between OEM and aftermarket, we give it to you straight. Mr-Glass OEM labels still exist for some series, but many of the original glass suppliers have consolidated or stopped producing residential units. A quality aftermarket insulated glass pack, built to the correct thickness with a proper low-E coating for South Florida exposure, will outperform the original in heat rejection and last just as long. We quote both options side by side on paper so you see exactly what you’re buying.

Signs Your Mr-Glass Window Replacement Is Failing

• Condensation or fog between the panes. The seal has failed and the desiccant inside the spacer bar is spent. You can’t dry it out from the outside. This is a glass pack replacement, not a cleaning issue.
• The sash sticks, binds, or drops when you let go. In Coral Gables, the combination of salt air and humidity eats roller pins and balancers. On Mr-Glass rolling units, the bottom rollers seize first, and the window starts grinding aluminum against aluminum.
• The window won’t lock or latch. Frame sag, worn keepers, or a warped sash from years of heat cycling. A window that won’t lock is also a security liability, and in Coral Gables that closes the conversation on whether to wait.
• Water staining on the interior sill or drywall below the window. This is usually failed caulking at the frame-to-wall connection, or a clogged weep system in the frame. Left alone, it moves into the wall cavity and the repair bill triples. In Gables homes with original Mr-Glass frames, we see this on east-facing windows most often because they catch the morning humidity and the afternoon rain.
• The glass feels hot to the touch from the inside in summer. The low-E coating has degraded, or the unit never had one. The room heats up by 2 or 3 degrees more than the rest of the house, and your AC runs harder in July. Replacement glass with a proper South Florida low-E stack fixes that immediately.

Replacement Cost & What’s Included

In Coral Gables, the installed cost for a Mr-Glass window replacement breaks down this way:

• Standard insulated glass pack (clear or low-E), single fixed window: $450-$650 installed
• Impact-rated laminated glass pack for a fixed window: $700-$1,000 installed, depending on size and whether the frame was originally rated for impact
• Rolling or hung sash rebuild (new glass, rollers, balancers, weatherstripping): $600-$1,200 installed per sash
• Full-frame replacement of a Mr-Glass window with a new impact-rated unit: $1,800-$3,200 installed, sized and quoted on site

Every quote is line-itemed before work starts. Glass cost, hardware, labor, disposal. No surprise charges on the bill. The Keystone Standard means both warranty layers get registered in writing before our truck leaves your driveway: the manufacturer’s warranty on the glass, and the Done Right Promise on our work. If the pane is not true, the job is not done.

Dale Kessler is the one who sets that standard on every job. He grew up in Coral Gables, spent summers near the Miracle Mile watching his father re-glaze storefronts, and he still measures twice before ordering a single glass pack.

DIY or Call Us?

Here’s the honest split. There are things you can safely do before calling: identify whether the fog is between the panes or on the inside surface, check whether weep holes at the bottom of the frame are clogged, and note whether the sash is misaligned on one side. Those observations help us quote faster.

What you should not do is pull the sash, remove the glass, or try to reseal a failed unit yourself. A broken seal inside an insulated glass pack cannot be repaired in place. And on any Mr-Glass unit with tensioned balancers or a heavy rolling sash, the stored tension can break fingers or send a sash through a pane when released wrong. We’ve cleaned up enough of those to say it plainly: this is not a weekend job. Call us at (954) 507-3613, describe the window, and we’ll tell you what you’re looking at before we ever schedule a visit. We’ll be there when we say, and you’ll get a square deal in writing.

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