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Mr-Glass Construction in Mentone, CA | Square One Builders
Square One Builders provides independent Mr-Glass service across Mentone, CA (92359) – glass shower enclosures, framed panels, mirrors, and custom glass work on homes from the 1950s ranch tracts to the newer foothill builds. What makes our Mr-Glass work different here is simple: we build and detail for the way Mentone homes actually move. Hot, dry summers followed by winter rains make walls shift, and frameless glass doesn’t tolerate a racked opening. Call (877) 688-9930 for a free estimate on Mr-Glass shower enclosures, mirror panels, or full bathroom remodels in Mentone.

We’re a Mr-Glass sales & service crew by trade knowledge, not by manufacturer appointment. That means we measure, fabricate to spec, and install without any factory authorization, warranty endorsement, or partnership with the Mr-Glass brand. We work the material because we know it – its tolerances, its hardware, its failure points. For homeowners in the Mentone service area, that’s the difference between a shower door that racks after one Santa Ana season and one that stays square for decades.
Why Mentone Residents Choose Us for Mr-Glass Service
Most glass companies in the Inland Empire will sell you a panel. Few of them think about what’s behind the tile. Around here, that’s the whole job.
Brent Calloway, our owner and general contractor, grew up working on homes where the framing wasn’t always square and the walls weren’t always blocked where they should have been. He learned early that glass doesn’t forgive a wall that’s out of plane. That’s why our Mr-Glass installs in Mentone start with the structure, not the panel. We check the studs, add blocking where a frameless panel will hang, and only then measure for glass. It takes longer up front. It saves you from a door that swings out of square the first time the humidity shifts.
We also carry factory-spec tempered glass and OEM-style hinges, rollers, and sweeps for Mr-Glass enclosures across Mentone. When a panel survives but the hardware fails, we repair. When the glass itself is chipped, desilvered, or out of tolerance, we replace the panel and move on. No chasing a bad fit.
Styles & brands we work with







Common Mr-Glass Construction Problems We Solve in Mentone
Every house has its own issues, but these are the ones we see repeatedly in Mentone:
- Frameless panels installed without wall blocking. Mid-century Mentone homes – the 1950s through 1970s single-family stock – often have hollow spots behind the tile where a frameless shower panel needs solid backing. The panel racks, the door swings out of square, and after a season of hot-dry to wet cycling, the hinges start pulling. We open the wall, add solid blocking, and re-set the glass so it stays put.
- Seals and bottom sweeps failing under UV. Mentone gets intense afternoon sun, and factory-applied seals on Mr-Glass enclosures dry out and crack faster here than they do in coastal areas. Cracked sweeps let water track onto the curb and into the subfloor framing – which is a much bigger repair than replacing a sweep. We swap in fresh OEM-style sweeps and check the curb pitch while we’re there.
- Rollers and top rails binding on older track systems. Homes with original plumbing vent moisture constantly, and older Mr-Glass sliding shower doors in Mentone bathrooms often have rollers that corrode or bind. Sometimes it’s a clean-and-adjust, sometimes the rail profile is worn and needs replacing. We’ll tell you which.
- Mirror desilvering on single-pane windows. The 1950s-70s tract homes in Mentone often have original single-pane windows, and afternoon sun through those windows is brutal on mirror edges. Silvering fails, the edges go black, and no amount of cleaning fixes it. The fix is a new mirror panel, cut to spec and installed where the sun hits it less.
- Blocking for walk-in conversions. When we convert a tub to a walk-in shower in a Mentone ranch home, the wall behind the old tub surround usually wasn’t built for frameless glass. We detail the framing before any tile or glass goes in. Do it once, do it right.
Mr-Glass Service in Mentone: What Local Conditions Mean for Your Equipment
Here’s a fact about Mentone that doesn’t apply the same way in Redlands or Yucaipa: because much of Mentone sits in wildfire-prone WUI foothill zones, glass and mirror installations on exterior-adjacent walls and additions often have to coordinate with Chapter 7A fire-resistant assembly requirements. That changes how we detail framing and blocking before any glass goes in.
What that means for a Mr-Glass shower enclosure or mirror panel is straightforward. If you’re adding a bathroom or reworking an exterior wall in a Mentone foothill home, the wall assembly itself may need fire-resistant sheathing, and the window or glass adjacent to it has to meet certain performance standards. We plan for that from the start – so the blocking, the waterproofing, and the glass all work as one system. Start from square one, build it right. That’s not a tagline around here. It’s the only way this kind of work holds up through Santa Ana wind season and a wet winter.
Mr-Glass Models & Products We Service in Mentone
We work with the full range of Mr-Glass residential product lines. That includes 3/8-inch and 1/2-inch tempered frameless shower enclosures, semi-frameless sliding shower doors, mirrored closet doors, custom-cut mirror panels, and custom glass table tops and shelf panels. For walk-in shower installs in Mentone, we prefer 1/2-inch tempered glass on OEM-style hinges – it carries the weight better and stays square through the seasonal wall movement we see in foothill homes.
On parts, our approach is simple: factory-spec tempered glass and OEM-style hardware when it’s available, and quality aftermarket hardware only when the original profile has been discontinued. We keep common Mr-Glass sweeps, rollers, and hinge profiles stocked locally so Mentone turnarounds don’t stall on a backordered part.
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AfterMr-Glass Service Pricing in Mentone
These are the price ranges we see for Mr-Glass related work across Mentone. Every job gets a written, line-item estimate before we start – no allowances for surprises because we measure first.
| Service | Price Range |
|---|---|
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
What drives the cost in Mentone? Whether we need to add blocking behind the wall, whether the curb and tile are in good shape or need re-work, and whether the existing plumbing venting needs attention. A simple glass panel swap costs less than a full walk-in conversion with waterproofing and tile. Call (877) 688-9930 and we’ll walk you through what your job actually requires – the estimate is free.
Serving Mentone, CA — Our Local Coverage Area
We’re based in the Mentone area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Mr-Glass Construction in Mentone
Yes, and we do it regularly. The wall behind the existing tile usually needs to be opened to add solid blocking, after which we re-waterproof, re-tile, and set the panel on hinges anchored into real framing. On older Mentone homes, skipping the blocking is how frameless panels end up racked within a year. Call (877) 688-9930 and we’ll tell you if your walls need it before you spend on glass.
They can. If your bathroom or mirror wall is on an exterior-adjacent assembly in a WUI-designated area of Mentone, Chapter 7A fire-resistant assembly requirements may shape how we detail the framing and any adjacent glass. We coordinate the waterproofing, blocking, and glass so the whole assembly meets code as one system instead of three trades working around each other.
If the glass panel is intact and the track is sound, we clean and adjust the rollers first, then replace the roller hardware if the profile is worn. If the rail is pitted or the glass has chipped edges, replacement is the better call. We’ll show you the difference and let you decide with your own eyes. Call (877) 688-9930 for a straight answer.
Afternoon sun through original single-pane windows is the usual culprit. UV and heat hit the mirror edge, the silvering breaks down, and black creep starts from the corners. It’s not a cleaning problem – it’s a material failure. The fix is a new custom-cut mirror panel, and we’ll help you position it or upgrade the window treatment so it doesn’t happen again in five years.
Yes. We handle the full tub-to-shower conversion – demolition, waterproofing, tile and floor work, plumbing adjustments, and Mr-Glass glass set on properly blocked walls. Mentone ranch homes from the 1960s and 1970s often need extra framing work behind the old tub surround, which we do before any tile goes up. Call (877) 688-9930 to schedule a free estimate.
Service Areas Near Mentone
Square One Builders serves Mentone and the surrounding foothill and Inland Empire communities. We work in Mr-Glass service in Oak Hills to the north, Mr-Glass service in Rainbow to the south, and in the Corona, Norco, and La Verne areas for larger remodel scopes. If you’re in the 92359 ZIP or nearby, call us and we’ll confirm coverage.
Book Your Mr-Glass Service in Mentone Today
If your Mr-Glass shower enclosure, mirror, or custom glass project is in Mentone, call (877) 688-9930. We’ll schedule a free estimate, measure the opening, and tell you exactly what the job needs. Emergency glass replacement for safety issues gets priority scheduling.
Written by Brent Calloway, Owner & General Contractor at Square One Builders, serving Mentone and the surrounding Inland Empire foothill communities since the early 2000s.