Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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AfterFast, Reliable Patio Door Installation Across Kensington
Patio door installation in Kensington runs $1,450 – $3,900 for a standard single-slot sliding door and $3,100 – $7,800 for a multi-slide or French-hinge upgrade, with full re-framing on a hillside lot adding $600 – $1,800. We scope and price the job in writing before a single screw turns, so you know the number going in. Kensington’s mid-century ranches and steep lots are not simple measure-and-order territory, and we never pretend otherwise.
Meridian Windows & Doors serves all of Kensington with crews who know the difference between a flat Berkeley flat and a rear-wall slider set into a load-bearing hillside wall. Call us at (817) 686-2228 for a written quote, and you’ll talk to a live person, not a voicemail tree. We answer the phone around the clock.
Why Meridian Windows & Doors Is Kensington’s Preferred Patio Door Installation Company
The homes above Arlington Avenue and along the winding streets east of the Kensington Circle have a habit of punishing crews who treat every opening like new construction. We don’t. We’re part of the Garrison Partners family, operating to The Garrison Standard since 2009, and our installers are background-checked and uniformed before they walk onto your Kensington property. You know exactly who is coming.
Our reputation in Kensington is built on written pricing and a written guarantee. The 365-Day Done Right Promise covers every installation. If the door fails within a year, we return at no charge. No labor exclusions in the fine print. No second opinion on whether the issue is covered. Kensington homeowners call us because they’ve been burned before by a bid that moved at the door, and they want the price fixed on paper, not in the estimator’s head.
We stock parts for the brands Kensington homes most often carry, and our crews run Kensington-specific calls enough to know where the old aluminum sliders hide. Response times for estimate visits typically run 2 – 4 business days depending on the season. Our phones are staffed by a live person 24 hours a day, seven days a week. You will never leave a message and wait for a callback.
Patio Door Replacement in Kensington
Patio Door Replacement in Kensington almost always means more than unbolting an old frame and setting a new one in place. On a mid-century ranch where the rear slider sits in a deep, load-bearing wall, the rough opening is frequently out of square by a half-inch or more, and the structural header above it was framed to code that is now 50 years out of date. A proper replacement here means opening the wall, checking the header, re-framing the jamb and the sill pan, and then installing the door. That is the job, and anyone who quotes it as a simple swap is not doing the math.
Re-Framing and Header Checks
We see out-of-square openings on Kensington hillside homes regularly. A door that slides but drags in one spot, or a frame that has pulled away from the sheathing on one side, is usually telling you the framing has shifted. We cut back drywall, sister new studs where needed, and verify the header is sized and seated correctly before the new unit goes in. Skipping this step means the new door goes in crooked and fails within two years.
When to Replace Instead of Repair
If the track pan is rotted, the frame corners are split, or the glass is single-pane and the rollers have worn through the rail, replacement is cheaper than repair in Kensington. You pay once for labor, and the new unit carries a written 365-day guarantee. Repairing a 1970s aluminum slider often costs $380 – $700 and leaves you with the same poorly insulated frame and the same drainage problem.
Sliding Door Replacement in Kensington
Sliding Door Replacement in Kensington frequently starts with a homeowner finding water pooled at the sill after a winter storm. On a hillside lot, runoff moves downward and finds the lowest point, which is often the rear patio door. Years of that pooling rots the track pan and the subfloor beneath it, and the door gets sticky, then jammed, then compromised. The fix is not a new set of rollers. The fix is pulling the old unit, repairing the rough sill, re-flashing the opening, and setting a new slider with a properly sloped sill pan tied to drainage.
Water Intrusion and Sill Remediation
We seal the new track pan against the grade and slope it so water moves away from the threshold, not under it. On a steep lot off Arlington Avenue, our tech pulled a failing 1970s aluminum slider whose track had corroded from years of hillside runoff and found the rough opening out of square by nearly an inch. We re-framed the jamb, set a new multi-slide unit with an insulated glass unit and low-E glass, and sealed the track pan against the grade so water no longer pooled at the sill. That is what the job looks like here.
Thermal Performance Upgrades
Original single-pane sliders in Kensington ranches are poor thermal performers, plain and simple. Replacing one with a dual-pane insulated unit with low-E glass, which is a thin coating that reflects heat while letting light through, cuts drafts and quiets the room. We spec the glass for the exposure. A south-facing Kensington yard hitting the evening sun gets different glass than a shaded north wall under oak trees.
Trusted Brands We Service in Kensington
Meridian Windows & Doors is authorized to install and replace products from eight manufacturer lines, and our Kensington customers most often end up with CGI for coastal-rated storm performance, CWS for architectural linework, or ES Windows for custom sliders on view-facing rear walls. We’re not tied to one brand, which means we spec the door that fits your Kensington home. We stock common replacement parts and hardware locally for these lines, so a warranty part or a roller swap does not stall for three weeks while a distributor ships from out of state.
Common Patio Door Installation Problems We See in Kensington Homes
- Hillside runoff pooling at the sill. On steep lots above Arlington Avenue and the streets east of the Circle, water moves downslope and stops at the rear door. Rotted track pans and subfloor damage are the standard failure mode, not a sticky roller.
- Out-of-square rough openings. Mid-century ranch walls settle and shift over 50 – 70 years. A simple measure-and-order quote misses the re-framing and header repair the wall actually needs.
- Single-pane sliders that leak heat. Original aluminum frames with single glazing transmit cold and heat straight through. Homeowners get surprised when code compliance and energy upgrades expand the scope.
- Fogged or failed sealed units. Between the marine layer’s moisture and the sun loading on south exposures, dual-pane seals fail earlier here than inland. We see fogged glass regularly on 15 – 20 year old units.
Pricing for Patio Door Installation in Kensington, CA
A standard two-panel sliding patio door with an insulated glass unit and low-E coating runs $1,450 – $2,800 installed in Kensington, depending on frame material. Upgrading to a multi-slide or French-hinge unit pushes that to $3,100 – $7,800. Re-framing an out-of-square opening or repairing a rotted sill adds $600 – $1,800. Those are real Kensington numbers, not bait ranges. You may be tempted by a quote that undercuts them and gets burned later when the add-ons appear mid-job. We deliver a written price before any work begins and it does not move at the door. Call (817) 686-2228 to schedule a free estimate.
We Also Serve Cities Near Kensington
Our Patio Door Installation team serves Kensington and the surrounding Bay Area communities, including Los Angeles, San Diego, San Jose, and San Francisco. If you are just outside Kensington, call us and ask. We will tell you honestly whether we run a crew to your street.
Serving Kensington, CA - Our Local Coverage Area
We’re based in the Kensington 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 About Patio Door Installation in Kensington
A two-panel slider on a flat, square opening takes one full day for a two-person crew, and we can often schedule it within 2 – 4 weeks of the written quote. A hillside Kensington job that needs re-framing, header work, and sill remediation runs two to three days, and permit inspection adds a few days on either end. We do not promise rush work on we jobbed construction, because rush framing is how walls end up out of square. The calendar goes on paper with the price. Call (817) 686-2228 for a realistic timeline on your specific home.
Yes, when the job involves structural framing changes, like re-framing an out-of-square rough opening or re-sizing a header, Kensington requires a building permit and an inspection. A straight same-size swap with no framing changes typically does not. We pull the permit when required, and we schedule the inspection so it passes before we close the wall. That is part of the written scope you get upfront.
Hillside runoff is the typical cause on Kensington’s stepped lots. Water moves downslope, pools at the rear door, and saturates the track pan and subfloor until the wood fails and the door drags. The repair is not a new roller set. It is pulling the unit, re-sloping the sill, re-flashing the opening, and tying the new pan to drainage. Skip the drainage and you re-rot within three years. Call (817) 686-2228 to have it looked at before the subfloor goes fully rotten and the structural repair doubles.
In Kensington, the three cost drivers are the door unit itself, the framing condition, and drainage work. A standard two-panel slider is $1,450 – $2,800 installed. If the rough opening is out of square and needs re-framing, add $600 – $1,800. If the sill is rotted from runoff and we have to re-slope the threshold and repair subfloor, that adds to the framing line. The door brand matters too: ES Windows or CGI cost more than a builder-grade unit, and we will show you both options and let you choose. The written quote breaks all of this out line by line, so nothing is buried.
Yes, if you are replacing an original single-pane slider on a Kensington mid-century ranch. Dual-pane insulated glass with low-E coating reduces heat transfer year-round, so your HVAC does not work as hard in the summer sun or the damp winter. The savings are real but modest, often 5 – 12 percent on the heating or cooling load in the adjoining room. Replacing a door mostly for energy savings alone rarely pays for itself, but replacing a rotted or failed unit with an efficient one is the right call. We will spec the glass for your exact exposure, not a generic package.
Written by Elliot Vance, Owner at Meridian Windows & Doors, serving Kensington since 2009.