Mr-Glass Impact Garage Doors Nationwide

Mr-Glass Impact Garage Doors: The San Antonio Owner’s Guide

We stock and install Mr-Glass-compatible impact garage doors throughout San Antonio, with most installed replacements running between $2,800 and $6,500 depending on door size, track hardware, and whether your opener needs swapping too. Most homeowners call us after a storm season when they notice a door that’s harder to lift, a panel that’s dented deeper than it should be, or rollers that sound like they’re grinding gravel. If your Mr-Glass door is binding, sagging, or no longer seals tight against the frame, the fix is usually a specific part, not a whole new system.

Call (325) 420-4173

This page covers what we see on service calls across San Antonio, from Alamo Heights to Stone Oak to older neighborhoods near Woodlawn Lake, and what it actually costs to get a Mr-Glass impact door working right again.

Which Mr-Glass Models This Applies To

Mr-Glass impact garage doors come in a few series lines, and the parts are not always interchangeable between them. The two we service most often in San Antonio are the Mr-Glass WindGuard series (single and double-car, rated for the Texas Coastal wind zone) and the Mr-Glass StormShield line, which uses a heavier-gauge track and reinforced hinge system. The label is your best friend here: on the inside of the door panel, near the top edge, you’ll find a small aluminum tag with the series name and a manufacturing date code. If that tag is missing or faded, we match by measuring the panel thickness (WindGuard panels run 2 inches thick; StormShield panels run 2-1/4 inches) and the hinge bolt spacing, which differs by a full quarter inch between the two lines.

One compatibility gotcha we see regularly: Mr-Glass changed their roller stem diameter in 2019. Doors built before that year take a 7/16-inch stem; doors built after take a 1/2-inch stem. If you buy the wrong roller set online, they’ll wobble in the track and wear out the hinge brackets within a season. We keep both on the truck. On the OEM-vs-aftermarket question, we’re honest with San Antonio homeowners: for hinges and rollers, a quality aftermarket equivalent usually performs as well as the Mr-Glass-branded part and costs 20 – 30% less. For torsion springs, we only install springs rated for impact-rated doors, because the extra door weight changes the spring math. A standard residential spring on an impact door is a repair that won’t last, and we won’t do it just to save you a few dollars.

Lightwell Windows San Antonio is an independent service provider. We’re not affiliated with Mr-Glass, but we stock and install their parts because we believe the product line holds up well in the Hill Country heat if it’s maintained properly.

Signs Your Mr-Glass Impact Garage Doors Is Failing

• The door is harder to lift than it used to be. On an impact door, this usually means the torsion spring is losing tension. These doors weigh 30 – 40% more than standard residential doors, so a weakening spring shows up as sudden heaviness at the handle.
• You hear grinding or squealing when the door moves. Rollers wear out faster in San Antonio because fine limestone dust from driveways works its way into the bearings. Once the bearing surface is pitted, the roller stops rolling and starts sliding.
• The bottom panel is bowing or the rubber sweep is pulling away. This is common on west-facing garages where afternoon sun beats on the lower panel. The steel expands and contracts, and eventually the sweep adhesive fails. Water and bugs get in, and the panel loses its impact rating.
• The door doesn’t sit flush against the frame on one side. That’s usually a worn hinge bracket or a stretched cable. If you can see daylight through the gap on one side and not the other, the door is out of square and working against itself every cycle.
• Opener strain: the motor runs longer or sounds labored. Many San Antonio owners mistake a failing door part for a failing opener. If the opener is struggling, the door hardware is almost always the root cause, and replacing the opener without fixing the door just moves the problem.

Replacement Cost & What’s Included

Here’s what we quote most often for Mr-Glass impact garage door repairs in San Antonio. Every price below includes the part, labor, and our written warranty. You’ll get the exact number in writing before we touch anything.

• Roller replacement (full set, 10 – 12 rollers): $180 – $320, depending on whether you need standard nylon or heavy-duty sealed bearing rollers.
• Hinge replacement (per hinge): $40 – $85 installed. Most doors need 6 – 8 hinges done at once.
• Torsion spring replacement (pair): $380 – $650. We always replace springs in pairs so tension stays balanced.
• Cable replacement (pair): $220 – $380. Includes re-leveling the door.
• Bottom seal/sweep replacement: $120 – $220. We use a pet-safe, marine-grade rubber that handles San Antonio sun.
• Full panel replacement (single panel): $600 – $1,400, depending on model and size.

What drives the range is mostly door size and which series you have. WindGuard parts run a little less than StormShield because the hardware is lighter. If you’re not sure which series you have, send us a photo of the label and we’ll tell you what we think before we even schedule the visit.

DIY or Call Us?

There are a few things you can safely do yourself. Check the track for debris, wipe down the rollers with a dry cloth, and visually inspect the cables for fraying. That’s it. Here’s the honest part: the torsion spring on an impact-rated Mr-Glass door is under more tension than a standard residential spring because it’s counterbalancing a heavier door. That is not a part to guess with. The cables run through the same tension system. When a spring lets go under load, it can break bones or worse. We’ve been called to garages in San Antonio where a homeowner tried a spring swap and ended up with a bent track, a bowed panel, and a door stuck halfway open. The repair cost more after the attempt than it would have up front. If it’s a roller, hinge, or seal, and you’re handy, it’s doable with the right tools. If it’s a spring or cable, call us at (325) 420-4173. We’ll tell you honestly whether it’s a job for you or a job for us, and the estimate is free either way.

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