Sliding glass doors
Single hung
Double hung
Horizontal roller
Casement
Bay & bow
Entry doors
Impact garage doors
PGT
CGIFree in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Get your free estimateMr-Glass Window Replacement: The Fort Worth Owner’s Guide
Most Mr-Glass window replacements in Fort Worth run between $350 and $900 per opening installed, depending on the glass package and frame condition, and we can typically complete the swap within a week of your free estimate. You’ll usually notice the problem before you can name it: a room that stays warm near the glass in August, condensation that won’t wipe away, or a sash that suddenly takes two hands to lift. Sometimes it’s simpler than that. A crack runs across the pane after a spring storm, and you’re standing there wondering whether the whole window needs to go or just the glass.
Here’s what we’ll cover: which Mr-Glass models we service, what actually fails on these windows in North Texas weather, what a replacement costs with everything written down before we start, and how to tell whether you need us at all. If you’re mid-crisis, call (682) 900-6694 and we’ll talk you through what you’re looking at.
Which Mr-Glass Models This Applies To
Mr-Glass builds aluminum and vinyl window lines, and the replacement path depends on which series you have. The single-hung and horizontal slider models share a common glass-pocket dimension across most production years, which is good news: it means a failed insulated glass unit can often be swapped without tearing out the frame. The casement and awning lines use a narrower glazing bead profile, and those require the glass to be ordered to a tighter tolerance. If you’re not sure which series you have, look for a small etched label in the corner of the glass or on the spacer bar between the panes. No label? Measure the visible glass width in three places. When those numbers don’t match, the sash has shifted and we’ll need to address that before ordering glass.
One compatibility detail worth knowing before you buy anything online: Mr-Glass windows from the mid-2000s use a 7/8-inch overall insulated glass thickness on most models, while later production runs stepped down to 3/4-inch. Ordering the wrong thickness means the glazing bead won’t seat, the sash won’t close square, and you’ve bought a piece of glass that fits nothing. We keep common Mr-Glass glass packages stocked locally in Fort Worth, and for odd sizes we order direct with measurements we’ve taken ourselves, not numbers pulled from a sticker that may have faded or shifted.
On OEM versus aftermarket: for Mr-Glass specifically, the original glass units were produced in large regional batches, and many of those exact units are no longer in production. Quality aftermarket glass, cut and sealed to the original spec, is often the only realistic option, and done correctly it performs identically. What matters is the spacer material, the sealant, and the gas fill matching what the frame was designed to hold. We’re an independent service provider in Fort Worth, not a Mr-Glass dealer, so our recommendation is based on what fits your window and your budget, not on pushing one manufacturer’s part.
Styles & brands we work with










Signs Your Mr-Glass Window Replacement Is Failing
- Fog or condensation between the panes. The seal between the two glass layers has failed, and outside air is getting in. In Fort Worth’s humidity, this shows up fast, and no amount of wiping helps because the moisture is trapped inside the unit.
- A room that feels hot near the glass in summer. When the low-E coating degrades or the gas fill escapes through a broken seal, the window loses its ability to reflect heat. You’ll feel it as a warm zone along that wall, even with the AC running.
- Cracks running from the edge of the glass. Thermal stress or a settling frame puts pressure on the glass at its weakest point, and Texas temperature swings between day and night accelerate this. A crack that starts at the edge usually spreads, and the window should be measured for replacement before it does.
- The sash sticks, drags, or won’t stay up. This is usually a frame or balance issue rather than glass, but the fix often requires pulling the sash and re-setting everything. If the frame has twisted out of square, a new glass unit alone won’t solve the problem.
- Drafts you can feel with the window closed and locked. Failed weatherstripping or a warped sash lets air move around the perimeter. The glass may be fine, but the window as a unit is no longer sealing, and we’ll tell you honestly whether you need a full replacement or a targeted repair.
See the difference
Before
After
Before
AfterReplacement Cost & What’s Included
For Fort Worth homeowners, most Mr-Glass window replacements land between $350 and $900 per opening, installed. A straightforward insulated glass swap in a single-hung or slider runs toward the lower end. A casement with a custom glazing bead, a sash that needs to be squared, or a frame that requires new weatherstripping along with the glass moves toward the upper end. The price you’ll get from us is a written, line-item number before any work starts. That’s not a promotional stance; it’s the way we’ve operated since 2010, under the Cedarwell Care Promise. No change orders, and no invoice at the end that doesn’t match the number you approved at the start.
Every replacement includes the glass unit, new glazing bead or sealant matched to the frame, re-alignment of the sash where needed, and disposal of the old glass. We haul it away, because broken window glass has no business sitting next to your trash bins where a kid or a dog could find it. The work is covered by our 365-Day Done Right Promise: if the finished job isn’t right, we make it right. No debate, no countdown.
DIY or Call Us?
There are things you can safely check on your own. You can confirm whether the condensation is between the panes or just on the room-side surface. You can note where a crack starts and whether it’s growing week to week. You can check whether the sash sits square in the frame by measuring diagonally corner to corner. What you shouldn’t do is try to remove and replace an insulated glass unit yourself, especially on a second-story window. Mr-Glass sashes hold the glass under mechanical pressure from the glazing bead, and a slip during removal can send a heavy glass unit falling, or pinch fingers against an aluminum frame in a way that needs stitches. Glass is heavier than it looks, and it doesn’t forgive a bad angle. If you’ve identified any of the symptoms above, call (682) 900-6694 and let us take the measurements. Keith Yamada would rather spend an extra twenty minutes measuring than send a crew back twice.
FAQs
Expect 15 to 25 years from a properly installed Mr-Glass window in this climate, with the seal being the usual point of failure rather than the frame. Fort Worth’s heat, humidity, and storm cycles shorten that window compared to milder regions, and windows on west-facing walls tend to fail first. When the seal goes, the glass unit itself is often replaced while the frame stays serviceable for years longer.
In most cases, the glass unit itself is replaced rather than repaired, because once the seal between the panes has failed, there’s no reliable way to reseal and re-fill the unit in place. The frame, sash, and hardware can often be kept. We’ll tell you if a repair makes more sense than a replacement, and our recommendation is based on what’s actually wrong, not what’s easier to sell. Call (682) 900-6694 for an honest assessment.
Most single-window replacements are completed in under two hours once the new glass unit is in hand. If we’re ordering a custom size, plan for about one to two weeks between the measurement visit and the install date. We bring the right glass with us on the install day, so you’re not left with an open hole in your wall while a second-order issue gets sorted out.
We keep common Mr-Glass glass packages, glazing beads, and weatherstripping stocked locally, and we also carry compatible parts for PGT, CGI, and CWS windows. Odd sizes are ordered to spec after we take the measurements ourselves. The estimate is free, and the price is in writing before you agree to anything. Call (682) 900-6694 to schedule.
If your Mr-Glass window is fogged, cracked, or dragging, the first step is a free measurement and an honest look at what’s actually failing. We’ll protect your floors, your furniture, and the nap schedule of anyone under four feet tall while we work. A window should bring in light without letting in doubt about how well it was installed. Call (682) 900-6694 and we’ll get you a written quote that matches the work, to the dollar.
Written by Keith Yamada, Owner, Lightwell Windows Fort Worth at Lightwell Windows Fort Worth, serving Fort Worth and nearby areas.
Six Reasons Homeowners Choose Lightwell Windows Fort Worth
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
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.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.