Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Mr-Glass Impact Garage Doors: The Lantana Owner’s Guide
We stock and install Mr-Glass-compatible impact garage doors in Lantana for $2,800-$4,600 installed, depending on the series, size, and wind-load rating required for your specific address. Most Mr-Glass impact garage doors we quote in Lantana are available same-day for measurement, with installation typically scheduled within 3-5 business days after the written scope is approved. Homeowners usually discover a problem when the door hangs unevenly in the track, the automatic opener strains or reverses unexpectedly, or they notice daylight visible along the seal after a storm - signs that the panel, track hardware, or impact-rated glazing system has shifted or failed.
Which Mr-Glass Models This Applies To
Mr-Glass produces impact-rated garage doors across several series, and the parts differ in ways that matter for ordering. The Model 200 series uses a 2-inch track with wind-load ratings up to 140 mph, while the Model 300 and 400 series step up to 2.5-inch heavy-gauge track and ratings to 170 mph for homes closer to the Lantana beachfront corridor. The impact glazing itself is laminated, not tempered, and the interlayer thickness varies by series: 0.060 inch on the 200, 0.090 inch on the 300 and 400. You will find the series number stamped on a metal tag inside the bottom rail, visible when the door is fully open.
We are not affiliated with Mr-Glass. Sightline Windows & Doors Lantana is an independent service provider that sources OEM and verified-equivalent parts based on what the measured opening requires. For the Model 200, quality aftermarket track hardware and rollers exist that meet the same load specs at lower cost. For the 300 and 400 series, we typically specify OEM panels and glazing because the interlayer bonding process is proprietary, and an aftermarket equivalent that fails to bond correctly will delaminate under cyclic wind pressure - something we have seen twice on Lantana homes east of Ocean Avenue where the salt air accelerates edge separation.
Signs Your Mr-Glass Impact Garage Door Is Failing

- The door shudders or binds in the track. This usually means the rollers have worn flat spots or the hinge pins have elongated. On Mr-Glass doors, the added weight of laminated glazing puts more load on the roller bearings than a standard steel door, so we see this first on units facing direct afternoon sun where thermal expansion cycles the metal.
- Daylight shows under the bottom seal or between panels. The rubber seal compresses over time, but on impact-rated doors the real problem is often panel bowing from internal pressure changes during storms. Once the panel profile distorts, the seal cannot recover.
- The opener motor labors or trips its force limit. Impact doors weigh 40-60 percent more than non-impact units. If a spring has weakened or a cable has frayed, the opener takes the load instead of the counterbalance system. The motor is not designed for that, and the circuit board will eventually fail.
- Glazing shows a haze or white edge creep. This is delamination of the laminated impact glass, where moisture has breached the edge seal. In Lantana, we see this most on doors within three blocks of the Intracoastal where salt spray and high humidity attack the edge faster than inland locations.
- The manual release is stiff or the door will not stay open at half-height. Torsion springs fatigue predictably in Florida heat, losing tension at roughly 8-10 percent per year of heavy use. A Mr-Glass 300 or 400 series door with a failed spring is dangerous to operate manually because the full panel weight drops uncontrolled.
Before
AfterReplacement Cost & What’s Included
| Component | Typical Range in Lantana |
|---|---|
| Full Mr-Glass impact garage door, installed (200 series, single car) | $2,800-$3,400 |
| Full Mr-Glass impact garage door, installed (300/400 series, single car) | $3,600-$4,600 |
| Panel replacement (laminated impact glazing, per panel) | $680-$1,200 |
| Torsion spring and cable set, installed | $340-$520 |
| Track and roller hardware replacement | $280-$440 |
| Opener repair or replacement (if damaged by imbalance) | $380-$720 |
The range reflects three things: the series and size of your existing door, whether the framing and header are plumb (we measure this during the survey), and whether the opener was damaged by running out of balance. Every quote we write in Lantana is line-itemed by component, and the price on that document is the price on the invoice - Haven Clause 1. The 365-Day Done Right Promise covers the installation and hardware; OEM glazing carries the manufacturer’s warranty, which we register for you and document in the photo record.
DIY or Call Us?

There is a safe middle ground for a homeowner with a failing Mr-Glass impact garage door, and then there is a hard stop.
What you can check safely: look at the metal tag inside the bottom rail to confirm your series number. Test the manual release with the door closed and the opener disconnected - the door should move smoothly and stay at any height you lift it to. If it drops, the spring system has lost tension. Inspect the glazing edges for white haze or delamination creep. These checks cost nothing and tell us exactly what to bring.
What you should not attempt: torsion spring replacement, cable detachment, or panel removal on an impact-rated door. The springs are under lethal tension, and the panels weigh 150-220 pounds each with the glazing installed. We have responded to two calls in Lantana where a homeowner released a spring anchor without winding bars; one resulted in a fractured wrist and a door that needed complete reframing. The measured survey, the written scope, and the installation are what we do. Call (561) 461-2062 to schedule yours.
FAQs
In Lantana’s climate, a properly installed Mr-Glass impact garage door typically delivers 15-20 years of service before the glazing edge seal begins to degrade measurably. Doors within a half-mile of salt water often show delamination or hardware corrosion 3-5 years sooner. Call (561) 461-2062 for an exact assessment of your unit - estimates are free.
Yes, if the failure is isolated to springs, cables, rollers, or a single damaged panel. We do not recommend repair when the frame is out of square, multiple panels show delamination, or the opener has been damaged by running an imbalanced door - the underlying problem will recur. Call (561) 461-2062 and we will write you a repair scope and a replacement scope so you can compare.
Most Mr-Glass impact garage door replacements we complete in Lantana take one full day for removal, frame prep, and installation, plus a second visit of 1-2 hours for final adjustment and photo documentation after the door has cycled under load. Permits, when required for structural changes, add 3-5 business days for Palm Beach County review. Call (561) 461-2062 to confirm timing for your address.
We carry common failure items: torsion springs sized to the standard Mr-Glass panel weights, heavy-duty rollers, track brackets, and bottom seals. Full panels and laminated glazing are ordered to spec after measurement because the interlayer thickness and wind-load rating must match the permit file for your home. Call (561) 461-2062 - if we do not have it on the truck, we will tell you the exact lead time before you commit.
Written by Sonia Raman, Owner, Sightline Windows & Doors Lantana at Sightline Windows & Doors Lantana, serving Lantana and nearby areas.










Before
After
Before
After