







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Mr-Glass Home Additions & ADU: The Riverside Owner’s Guide
Mr-Glass home additions and ADU construction in Riverside typically run $45,000 – $130,000 for a full addition, and $90,000 – $220,000 for a detached ADU, depending on square footage, foundation type, and finish level. We stock the framing, glazing, and connection hardware that pairs with Mr-Glass window and door systems, and our crews install them in Riverside neighborhoods from Canyon Crest to Orangecrest every week. Most owners discover a problem when a Mr-Glass component fails at the seam: a sliding panel binds, a fixed pane develops a hairline crack at the corner, or the weather stripping pulls loose and lets Riverside’s summer heat pour in.
We’re an independent contracting firm, not affiliated with Mr-Glass, but we’ve worked with their extrusion profiles and hardware long enough to know what fails and what doesn’t. Curtis Lane has been running crews across Southern California for nearly three decades, and the rule on Mr-Glass jobs is simple: straight number, real scope, no surprises at the final walk.
Which Mr-Glass Models This Applies To

Mr-Glass manufactures a range of aluminum and vinyl window, door, and glass wall systems used in residential additions and ADUs. The compatibility question comes down to three things: frame depth, glazing thickness, and hardware series. Most Mr-Glass products for residential use fall into two categories: 3-1/4″ frame depth for standard walls, and 4-1/2″ or deeper for load-bearing or wide-span glass walls typically seen in great-room additions.
You identify the right part by reading the etching on the glass corner or the stamp on the frame’s interior channel. Mr-Glass marks their units with a serial prefix that identifies the manufacturing year and series. If that etching is worn off, measure the frame depth and the glass thickness (most Mr-Glass residential units use either 1″ insulated glass or 1-3/8″ for larger spans). Bring us those two numbers and a photo of the failed component, and we can usually identify the part before we arrive. On the OEM-versus-aftermarket question: Mr-Glass original parts match perfectly but carry longer lead times. Quality aftermarket seals, rollers, and locking hardware often meet or exceed spec for less money, and we’ll tell you plainly which is which on the estimate.
Styles & brands we work with







Signs Your Mr-Glass Home Additions & ADU Is Failing
- Sliding panel drags or jumps the track. The roller bearings wear flat over time, especially on wide panels with heavy insulated glass. Riverside’s fine dust works into the bearing housing and accelerates the wear.
- Condensation between the panes. The seal has failed. Once the desiccant inside the spacer is saturated, fogging is permanent. The glass unit needs replacement, not the whole frame.
- Temperature swings at the frame edge. Weather stripping compresses with age and exposure to Riverside’s 100-degree afternoons. You’ll feel warm air pulling in around the operable panel.
- Difficulty locking the panel. The lock mechanism or strike plate drifts out of alignment as the frame settles with the building. Forcing it only bends the hardware.
- Crack at the frame corner. In a new addition, this usually means the rough opening was undersized or the frame wasn’t shimmed correctly at installation. The crack appears at the stress point, typically the lower corner opposite the hinge or roller.
See the difference
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After
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AfterReplacement Cost & What’s Included

For a single failed Mr-Glass panel, roller set, or seal replacement in Riverside, you’re looking at $400 – $1,800 installed, depending on whether we’re swapping hardware or an entire insulated glass unit. A full window or door replacement within an addition runs $4,500 – $15,000. A complete Mr-Glass-compatible home addition starts at $45,000 and a detached ADU at $90,000. The range is driven by square footage, foundation work, and whether the existing Mr-Glass framing is salvageable.
Every price we give is in writing before we start, no numbers that move at the door. The line item shows the part, the labor, and the disposal. That’s The Garrison Standard, and it applies to a $500 seal repair exactly the same as a $130,000 addition. When the work is done, you get a signed written guarantee. If it fails within 365 days, we come back and correct it at no charge. That’s the 365-Day Done Right Promise, and it’s in writing, not a handshake.
DIY or Call Us?
Replacing weather stripping or cleaning a track is straightforward, and we’ll tell you how to do those things over the phone. Lifting out a heavy sliding glass panel to access rollers is a different conversation. Those panels run 150 to 300 pounds. If one comes off the track and topples, it can cause serious injury, and a dropped unit usually means a shattered glass replacement instead of a $50 roller swap. Same caution applies to any work involving the glass itself: tempered and laminated units are under internal stress, and the edge is the weak point. One wrong tap with a pry bar and the whole unit fractures.
If you’re unsure, call us at (424) 567-8472. A live person answers, 24/7. We’ll talk through what you’re seeing and tell you honestly whether it’s a homeowner fix or a service call. No pressure, no upsell.
FAQs

Frames typically last 30 – 40 years in Riverside’s climate, but moving hardware (rollers, locks, weather stripping) generally wears out in 10 – 15 years depending on use and exposure. The insulated glass seal is the other weak point: plan on 15 – 20 years before fogging appears.
No. Once the seal fails and moisture gets between the panes, the glass unit is done. We can order a replacement insulated unit and install it in the existing frame, which costs less than a full frame replacement. Call (424) 567-8472 for an exact quote, estimates are free.
A roller, seal, or locking hardware swap is usually done in one visit, two to three hours on site. A full insulated glass unit replacement requires measuring, ordering, and a return visit to install, so plan on one to two weeks total.
We carry the most common rollers, lock sets, and weather stripping for Mr-Glass residential frames on our Riverside-based trucks. Specialized parts, including full insulated glass units, are ordered to spec. When we arrive, we’ll confirm the exact part before any work begins, and the price is already in writing.
If you’ve got a Mr-Glass part that’s failing, call us at (424) 567-8472. We’ll give you a straight number, a real scope of work, and a written guarantee before a single tool comes out. Bradford Remodeling Co Riverside is part of the Garrison Partners family, held to The Garrison Standard since 2004. We also carry and install parts for KraftMaid, Cambria, and Silestone, so if one fix turns into a larger project, we can handle it without bringing in another crew.
Written by Curtis Lane, Owner, Bradford Remodeling Co Riverside at Bradford Remodeling Co Riverside, serving Riverside and nearby areas.


