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Mr-Glass Construction in San Bruno, CA | Spruce Contractors
We’re Spruce Contractors, an independent Mr-Glass service provider working across San Bruno’s 94066 zip code. The short version: we repair and replace Mr-Glass windows and patio doors, and in this town that almost always means fixing the rough opening too, not just swapping the unit. If you’ve got fogged glass or a slider that drags, call (877) 265-5771 for a free estimate.
Why San Bruno Residents Choose Us for Mr-Glass Service
Most Mr-Glass problems in San Bruno don’t start with the window. They start with the wall it’s sitting in. Nate Calloway, our owner, grew up in Hillsborough and trained through College of San Mateo’s construction technology program before running jobs across San Mateo County. That background means when we show up to look at a fogged slider, we’re checking the flashing, the sill pan, and the sheathing, not just measuring glass. We buy Mr-Glass parts direct from distribution, so we’re working with OEM components, not whatever the supply house had on the shelf. And because we’ve been doing Mr-Glass sales & service across this area for years, we know what these units do in fog-belt conditions before we even pull the trim.
Good work doesn’t need a lot of explaining – you can see it. That’s how Nate runs jobs, and it’s why homeowners around here call us when a previous fix didn’t hold.
Styles & brands we work with







Common Mr-Glass Construction Problems We Solve in San Bruno
- Fogged glass and failed IGU seals. San Bruno’s marine fog keeps exterior glass cold for months at a stretch, and that persistent condensation is exactly what kills the seal on an insulated glass unit. We replace the IGU with OEM Mr-Glass panes so the unit keeps its original dimensions and warranty profile.
- Water intrusion at the rough opening. A lot of 1940s and 1950s stucco homes in San Bruno had original single-pane aluminum windows swapped for Mr-Glass vinyl without proper flashing. Water sneaks in around the frame, soaks the sheathing, and rots the rough opening. The window looks like the problem – it usually isn’t.
- Sliding patio door rollers and tracks corroded or misaligned. Winter rain, grit from street runoff, and months of damp air corrode rollers and clog tracks. The panel starts dragging, then stops sealing. We replace rollers and realign the track, and if the frame is still true, that’s often all it needs.
- Loose vinyl frames and failed corner welds. San Bruno sits in an active seismic zone, and a lot of the older homes have settled or shifted over 60-plus years. A Mr-Glass unit installed over unlevel framing develops stress at the welded corners. Once a weld cracks, the frame loses structural integrity.
- Dry-rot around window and door openings. The same fog that fogs glass also keeps fascia, trim, and sheathing damp for long periods. When we pull a unit and find soft wood behind it, that wood has to come out before anything new goes in.
Mr-Glass Service in San Bruno: What Local Conditions Mean for Your Equipment
Here’s the thing about San Bruno that doesn’t show up on a generic service page: this city sits directly on the San Andreas Fault zone, and its pre-1960s wood-frame homes on raised foundations were built before modern seismic codes. That matters for Mr-Glass work because the same cripple walls and settling that keep foundation contractors busy also distort window and door openings over time. When a Mr-Glass vinyl unit develops stress cracks or the frame pulls away from the stucco, we’re often looking at 18-to-24-inch cripple walls that have shifted incrementally for decades. In a neighborhood like the Crestmoor area, that means a window retrofit sometimes includes shimming and rebuilding the rough opening to get the unit square before we even set the new glass. A neighboring city like Millbrae doesn’t have the same fault-line designation, and the difference shows up in how frames behave over 20 years.
Mr-Glass Models & Products We Service in San Bruno
We work on the full Mr-Glass residential line: vinyl replacement slider windows, double-hung vinyl windows, aluminum sliding patio doors, and fixed picture window units. Most replacement parts come straight from Mr-Glass distribution as OEM – IGU panes, rollers, weatherstripping, and hardware. That keeps the unit’s original dimensions and warranty profile intact. When OEM is discontinued, we use quality aftermarket glass and say so upfront. We stock the common Mr-Glass roller and weatherstripping parts locally, which means less waiting when a patio door fails during San Bruno’s wet season.
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AfterMr-Glass Service Pricing in San Bruno
Pricing depends on whether we’re repairing the existing unit or replacing it, and whether the rough opening needs work. Here are the ranges we quote for the San Bruno service area:
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Repair | $400 – $1,800 |
Those ranges reflect what actually drives cost around here: whether the rough opening is rotted, whether the framing has shifted, and whether you need impact-rated glass. A free estimate from us includes a written line-item quote, not a ballpark figure. Call (877) 265-5771 to schedule one.
Serving San Bruno, CA — Our Local Coverage Area
We’re based in the San Bruno area and know this community well, and we also offer Mr-Glass service in Brisbane. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Mr-Glass Construction in San Bruno
Fixable in most cases. Fogging means the insulated glass unit seal has failed. We replace just the IGU with an OEM Mr-Glass pane, which restores clarity and insulation without replacing the frame. The exception is when the frame itself is warped or the corner welds are cracked. In San Bruno’s fog conditions, seal failure is common, but it doesn’t automatically mean full replacement. Call (877) 265-5771 and we’ll tell you which situation you’re in.
Not necessarily, but it depends on your exposure and your goals. San Bruno’s seismic activity matters more for framing and anchoring than for impact glass. Impact-rated windows become worth considering if you want better wind-debris protection during winter storms, or if you’re doing Home Remodeling in San Bruno and want the upgrade done in one pass. We source impact-rated Mr-Glass units and will walk you through the price difference before you commit.
Because the flashing and rough opening were likely never done correctly. A lot of San Bruno homes had original single-pane aluminum windows swapped to vinyl without a proper sill pan or head flashing. Water gets behind the stucco, the opening starts to rot, and the leak persists no matter how many times someone caulks the outside. As a General Contractor in San Bruno, we fix it by pulling the unit, rebuilding the flashing, and cutting out any rotted sheathing before resetting the window.
A fogged IGU can usually be repaired by replacing just the glass unit, not the whole window. We order OEM Mr-Glass IGU panes in the correct dimensions, so the frame stays original and the warranty profile is preserved. Replacement of the entire unit is only necessary when the vinyl frame is warped, the welds are cracked, or the rough opening has structural rot. Call (877) 265-5771 for an exact quote – estimates are free.
It can, especially on older homes. When a window leaks for years, the moisture travels downward into the fascia and eave framing. We’ve pulled Mr-Glass sliders where the fascia below was soft from fog-driven moisture, and that repair had to happen before the window could go back in. That’s covered under our Mr-Glass service in South San Francisco style of full-opening repair – we don’t just address the window, we address what the leak did to the structure behind it.
Service Areas Near San Bruno
We serve San Bruno and the surrounding Peninsula, including South San Francisco, Millbrae, Burlingame, and Pacifica. If you’re in Mr-Glass service in Pacifica territory, the coastal conditions are similar to what we handle in San Bruno every day, and the same repair standards apply.
Book Your Mr-Glass Service in San Bruno Today
If you’ve got fogged Mr-Glass units, a dragging slider, or water showing up around your windows, call (877) 265-5771. We’ll schedule a free estimate, assess the actual condition of the units and openings, and give you a written quote. For emergency roof or fascia repair tied to window leaks, we can usually get someone out fast.
Written by Nate Calloway, Owner at Spruce Contractors, serving San Bruno and the surrounding Peninsula.