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Unilock Windows & Doors: The San Diego Owner’s Guide
Unilock windows and doors in San Diego homes typically need replacement or repair when seals fail, rollers wear out, or the frame shifts from our coastal temperature swings. We carry and install Unilock-compatible parts for most residential models, with installed window replacement running $5,310 – $17,700 depending on glass type, frame material, and opening count. Most owners discover the failure the same way: a window that suddenly won’t lock, a door that scrapes the threshold, or condensation fogging between panes that won’t clear.
We’re an independent San Diego remodeling contractor, not a Unilock dealer or affiliate. What that means for you is straightforward: we source the right part, install it correctly, and warrant the labor in writing. No middleman, no finger-pointing between manufacturer and installer.
Which Unilock Models This Applies To
Unilock’s residential window and door lines share common hardware families across most vinyl and aluminum frames sold in San Diego over the last twenty-plus years. The compatibility gotcha comes down to two things: the frame profile dimension and the hardware generation. Unilock shifted from an older cam-lock design to a multi-point locking system on later models, and that change matters because the lock keeper plates are not interchangeable between generations. Looking at the label etched into the corner of the glass unit or stamped along the door edge gives you the series number; measuring the visible glass width to the nearest eighth inch gets you the rest of the way.
For OEM versus aftermarket: Unilock’s own hardware tends to be the safest match for multi-point locks and hinge systems because the mounting positions are set to exact spec. For simpler parts, like friction stays, balance shoes on single-hung windows, or sweep gaskets, a quality aftermarket equivalent from a recognized trade supplier performs just as well and often gets the job done faster than waiting on a factory shipment. Trevor Nash will tell you which way to go before we quote, not after. The point is a part that fits the first time, installed with a written price in front of you.
Styles & brands we work with
Signs Your Unilock Windows & Doors Is Failing
- Fog or moisture between the panes. The desiccant seal in the insulated glass unit has failed; once that happens, the fog never fully clears and the glass’s energy performance drops. San Diego’s marine layer accelerates this because the constant humidity change works the sealant harder than drier inland climates.
- The lock won’t engage or feels sloppy. On multi-point Unilock locks, one worn gearing point means the whole mechanism sits misaligned; forcing the handle only strips the internal gears faster. A window that won’t lock is a security issue, not just an annoyance.
- The door scrapes or drags across the threshold. That sound usually means the roller assembly has flattened over years of use and salt air exposure; dragging a heavy door just accelerates the damage to the track.
- The sash doesn’t stay up on a single-hung window. The balance mechanism has failed; replacing both sides keeps the window operating evenly and prevents one side carrying all the weight and bowing the frame.
- You can feel a draft even when closed. The weatherstripping has compressed or the frame has shifted slightly; in coastal San Diego neighborhoods like Ocean Beach or Point Loma, that’s usually faster wear from salt air and sun than you’d see inland.
See the difference
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After
Before
After
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AfterReplacement Cost & What’s Included
For San Diego homeowners, window replacement runs $5,310 – $17,700 for a full job; impact-rated glass lands in the $9,440 – $29,500 range if you’re in a wind zone or want the noise reduction. A single sash rebuild with new balances and weatherstripping is typically under $1,500. Door work sits in a similar range depending on whether we’re swapping rollers and hardware or the entire slab and frame.
Every quote includes the parts, the labor, the haul-off, and our 365-Day Done Right Promise in writing. If the window sticks or the lock fails inside that year, we come back and make it right at no charge, no service call fee. That’s the Kingswell standard, and it’s been that way since 2004. If you also need the window surround addressed, window replacement connects to that service directly.
DIY or Call Us?
Here’s the honest split. You can safely clean the track, check for obvious debris, and test which corner of the door is dragging before calling. You should not attempt to re-tension a balance system, rebuild a multi-point lock, or pull the glazing bead on an insulated unit unless you’ve done it before and have the right tools. The springs in some balance systems are under enough tension to hurt you, and a dropped glass unit on a second-story window is a real risk. Same with a heavy sliding door off its track; it’s heavier than it looks and two-person work at minimum.
For anything beyond a visual check, call (619) 604-9624. We’ll give you a written number before we pick up a tool, and the technician who arrives is background-checked and in uniform, same standard every visit.
FAQs
Plan on 15 to 20 years for the insulated glass unit and hardware, but coastal exposure in places like La Jolla or Imperial Beach can shorten that to 12 to 15 because the salt air eats at seals and finishes faster than inland zip codes. Frames themselves usually outlast the glass and hardware.
Yes, in most cases. If the frame is square and the glass unit is intact, we can rebuild the hardware, replace balances, swap the roller assembly, or install new weatherstripping for a fraction of a full replacement. If the glass is fogged or cracked, the unit itself has to go. Call (619) 604-9624 and we’ll tell you which one it is before anyone schedules anything.
A single sash hardware rebuild or roller replacement is usually a same-day job, two to four hours. A full multi-window replacement runs two to three days depending on the number of openings and whether the old frames come out clean. You’ll have a written timeline before we start, and we honor the arrival window we give.
We keep common items on the truck: balance shoes, friction stays, weatherstripping profiles, sweep gaskets, and standard roller assemblies for the most common Unilock configurations here in San Diego. For multi-point lock bodies or specific glass units with custom tints or grid patterns, we order to spec and schedule the install once the part lands. Tell me what you need, I’ll tell you what it costs, and we’ll go from there.
Written by Trevor Nash, Owner, Penhallow Remodeling San Diego at Penhallow Remodeling San Diego, serving San Diego and nearby areas.
