New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows West Covina pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
PGT Sliding & Patio Doors: The West Covina Owner’s Guide
Most PGT sliding and patio door parts we replace in West Covina run between $120 and $480 installed, depending on whether it’s a roller assembly, handle set, or full panel re-glaze. We stock common PGT hardware on the truck, so if your door is dragging, locking up, or letting air through, we can usually match the part and finish the job the same visit. The telltale sign owners notice first is almost always the same: a patio door that used to glide with two fingers now needs a shoulder, and the handleset rattles like loose change every time the sliding glass door closes.
Which PGT Models This Applies To
PGT’s sliding door family splits into two main lines that show up constantly in West Covina homes: the 900 Series and 700 Series, plus the WinGuard impact-rated versions used in the foothills where wind-borne debris codes kick in. The part differences matter. A 900 Series roller assembly won’t seat in a 700 Series track, and WinGuard panels carry a heavier laminated glass load that demands a different roller rating than the standard annealed glass on a non-impact slider.
To identify your door, look for the PGT label on the frame, usually on the head or the interlock stile. It’ll list the model number, glass type, and in some cases the date the unit rolled off the line in Florida. If the label has faded off (sun exposure in West Covina does that within about five to seven years), measure the visible glass width and the track thickness. We’ll match it from there. For most West Covina owners, we recommend genuine PGT hardware when it’s still in production; for discontinued series, we carry quality aftermarket equivalents from suppliers we’ve vetted on hundreds of tear-outs. The aftermarket parts cost about 30-40% less than OEM and, in our experience, hold up just as well when the door gets proper track cleaning and adjustment.
Signs Your PGT Sliding & Patio Doors Is Failing
- The door drags or sticks mid-track. The roller wheels on PGT sliders are made to be replaced, not re-greased. Once the nylon tire wears flat or the ball bearings seize, the panel rides on the metal carrier and starts cutting a groove into the aluminum track.
- You hear a grinding or clicking when the panel moves. Grinding means the roller bearings have failed and the wheel is no longer turning. Clicks usually point to a roller that has jumped the track, which also drags the interlock out of alignment.
- The handle flops or won’t turn the lock. PGT use a mortise-style lock bar that rides inside the stile. When a spring in the handle set breaks, the latch either won’t throw or won’t retract, and the door becomes a one-way trip. This is also how people get locked out on the patio.
- Air, water, or light comes through the closed panel. The interlock weatherstrip on PGT sliders compresses flat over time, usually along the meeting stile. In West Covina’s dry heat, the vinyl ages faster than the glass does; water intrusion during the winter storm season is usually the first hard proof.
- Condensation trapped between the panes. That’s a failed seal on the insulated glass unit, not a hardware issue. The fix is a re-glaze, and on PGT doors it’s worth pricing because the panels are built to be serviced, not thrown away.
Replacement Cost & What’s Included
For most West Covina homes, here’s what we see on PGT sliding door repairs:
- Roller assembly replacement (per panel): $120 – $220 installed, including track cleaning and door alignment.
- Handle set with lock bar: $140 – $260 installed, depending on series and finish.
- Interlock weatherstrip replacement: $90 – $180 installed.
- Full panel re-glaze (dual-pane, Low-E): $350 – $650 installed, depending on glass size and impact-rating.
The range is driven by series, glass package, and whether the track itself has been scarred and needs a repair insert. Every job gets a written price before we touch the door, and the 365-Day Done Right Promise covers parts and labor in writing for a full year. If the repair fails, the second visit is free.
DIY or Call Us?
You can safely check three things on a PGT slider: vacuum the bottom track, wipe the glass edges clean, and inspect the weatherstrip for flat spots or tears. Beyond that, I’d pause. Pulling a patio door panel means lifting a sheet of glass that weighs 80 to 120 pounds, and once it’s off the track it wants to fall. The rollers are under the panel’s full weight and don’t release by hand when the door is loaded. If you drop a panel in West Covina and the glass shatters, you’re now buying a re-glaze on top of the hardware repair, which costs more than having us do the job once, correctly. If the door is dragging or the lock won’t throw, call us at (350) 305-4609. Sean Mackey has been matching parts to PGT doors in this valley long enough to know which roller takes the load on a 900 Series and which aftermarket lock bar will actually line up with the mortise cut.
FAQs
Roller assemblies last 8 to 12 years in our climate; handle sets often last 15 or more unless they take direct sun on the lock side. The UV is the real enemy for weatherstrip, which typically flattens in 4 to 6 years on west-facing doors. Call (350) 305-4609 if you know your door’s age and want an honest read on what’s next.
Rollers, lock bars, and weatherstrip are replacement items, not repair items, because they’re wear parts. The track can sometimes be re-profiled with an insert. For an exact quote on your PGT model, call (350) 305-4609. The estimate is free.
A roller assembly or handle set swap takes 45 to 90 minutes on most PGT sliders. A full re-glaze takes one visit for the panel and a second for the install, usually three to five business days apart. We’ll give you the exact timeline in the written estimate.
We carry common PGT 700 and 900 Series rollers, lock bars, and weatherstrip on the truck for West Covina calls. Less common WinGuard hardware or odd glass packages take three to five business days to source. If it’s a part we don’t stock, we’ll tell you before you pay anything.
If your PGT sliding door is fighting you, call (350) 305-4609. Juniper Windows West Covina stocks PGT-compatible parts, quotes the job in writing before anything starts, and stands behind the work with the 365-Day Done Right Promise. We also carry parts for CGI, CWS, and ES Windows doors when the job calls for it. If I wouldn’t put it on my own house, I’m not putting it on yours.
Written by Sean Mackey, Owner, Juniper Windows West Covina at Juniper Windows West Covina, serving West Covina and nearby areas.
Six Reasons Homeowners Choose Juniper Windows West Covina
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.