Patio door replacement, glides again.
A patio slider that drags or won't lock is usually past the point of a quick fix. We install new sliding patio doors for homes across Denver Metro, matched to the opening and set to run smooth from day one.
A door that seals, swings true and locks the first time. We measure the opening, walk you through the styles that fit the house, and put the price in writing before anything is ordered.
- Licensed & insured
- No obligation
How it works
- 01Tell Us What You NeedMinutesReach out and we call you right back, replacements, a repair, or new construction.
- 02Free Measure & QuoteFreeWe measure every opening and give you a clear, itemized price. No high-pressure showroom.
- 03Options That FitUpfrontStyles and efficiency laid out for your home and your budget, so you pick with confidence.
- 04Sealed & Finished CleanOn schedulePrecise installs, tight seals, old windows hauled off, and your home tighter and quieter.
Precise Windows LLC installs patio sliding doors for homeowners throughout Denver Metro, including Centennial, Greenwood Village, and Highlands Ranch. A slider carries its full weight on the rollers, so once those rollers or the track wear out, the door starts to drag, jump, or drop out of alignment with the frame. Patio sliding door replacement means setting a new door and track into the opening so the weight is carried correctly again, with new glass and hardware built in.
Does your slider drag every time you open it?
A slider that has gotten harder to move, or that catches partway across the track, is telling you the rollers or the track underneath have worn down. Rollers carry the entire weight of the door, and once they flatten or crack, the door starts to sag and bind against the track instead of gliding across it. If it has also started jumping the track or refusing to latch, the rollers have likely worn enough that the door has dropped out of alignment with the frame, which a track cleaning alone will not fix.
Signs it is time to replace
Door sags or drops
A slider that visibly hangs lower on one side has worn or broken rollers that are no longer supporting the weight evenly.
Won't lock or catch
When the latch stops lining up with the strike, the door has usually dropped just enough on worn rollers to throw off the alignment.
Gap or draft with the door closed
Weatherstripping that has worn down, or a door that has dropped out of alignment, leaves a gap that lets in air even fully closed.
Foggy or cracked glass in the panel
An older slider often has an insulated glass unit reaching the end of its seal life, which shows up as fog trapped between the panes.
What is causing the problem
Worn or broken rollers
Rollers wear out from years of the door's full weight riding on them, and once they go, the door drags and eventually drops.
Track wear and debris buildup
Dirt and old lubricant build up in the track over time, adding resistance even before the rollers themselves fail.
Misaligned door in the frame
A dropped door no longer lines up with the strike plate or the frame, which is what causes the latch to stop catching.
Failing insulated glass unit
If the slider's glass is fogging or the seal has failed, that is a separate issue from the hardware and usually points toward new glass in the replacement.
What to expect during the visit
We measure the opening and review glass and frame options for the replacement door, along with hardware for the lock and handle. On install day, we remove the old door and track, set the new frame square in the opening, and fasten it so the weight sits correctly on the new rollers. We adjust the door height and alignment across the track, fit the lock hardware, and seal the frame against the opening. Before wrapping up, we run the door back and forth several times and test the lock to confirm it slides smooth and catches every time.
Related services you may need
If the glass in your current slider is fogged or cracked, Window & Glass Repair can address just the glass if the frame and hardware are otherwise sound. Homes with hail or wind damage near the patio door should also look at Storm & Hail Damage for documentation.
The cost of waiting
A sagging slider does not level itself back out. The longer worn rollers carry a dropped door, the more they wear the track and the frame around it, which turns a roller and hardware fix into a full frame issue. A door that won't latch is also a security gap for as long as it goes unaddressed. Handling it while it is still a rollers-and-alignment problem keeps the replacement straightforward.
How do I know if my slider needs new rollers or a full replacement?
If the frame is still square and the glass is in good shape, new rollers and hardware can often solve a dragging or sagging door. Once the frame has been forced out of alignment by the weight of a dropped door for a long time, or the glass has failed, full replacement is the more reliable fix.
What affects the cost of a patio door replacement?
Door size, glass type, and frame material are the main factors, along with whether the surrounding trim or track needs repair beyond a standard swap.
How long does a patio slider replacement take?
Most single-slider replacements are handled in one visit once the door is on site, since the work is contained to that one opening.
If your patio door is dragging, dropping, or won't lock anymore, call Precise Windows LLC to get it measured. We serve the Denver Metro area, Monday through Friday.
Ready when you are.
A free estimate in writing, from a crew that actually shows up.
What homeowners say about patio sliding door replacement.
“The quality of thir work is fantastic! I appreciate the attention to detail during the installation.”
“From start to finish, the service was outstanding. The installation was quick, and the crew was respectful.”
“Everyone involved in this project was a delight and I would recommend this company to anyone.”
“The quality of thir work is fantastic! I appreciate the attention to detail during the installation.”
“From start to finish, the service was outstanding. The installation was quick, and the crew was respectful.”
“Everyone involved in this project was a delight and I would recommend this company to anyone.”
“The quality of thir work is fantastic! I appreciate the attention to detail during the installation.”
“From start to finish, the service was outstanding. The installation was quick, and the crew was respectful.”
“Everyone involved in this project was a delight and I would recommend this company to anyone.”
“The quality of thir work is fantastic! I appreciate the attention to detail during the installation.”
“From start to finish, the service was outstanding. The installation was quick, and the crew was respectful.”
“Everyone involved in this project was a delight and I would recommend this company to anyone.”
“The quality of thir work is fantastic! I appreciate the attention to detail during the installation.”
“From start to finish, the service was outstanding. The installation was quick, and the crew was respectful.”
“Everyone involved in this project was a delight and I would recommend this company to anyone.”
“The quality of thir work is fantastic! I appreciate the attention to detail during the installation.”
“From start to finish, the service was outstanding. The installation was quick, and the crew was respectful.”
“Everyone involved in this project was a delight and I would recommend this company to anyone.”
- Entry, patio sliding, French, and storm and screen doors installed for a tighter seal, a better-looking front and a door that closes right the first time.