Caledon backyard opening after the previous patio door was removed.

Signs of this door problem

  • A manually operated patio panel is difficult to slide, drags, jumps or comes off track.
  • Rollers, track, handle, lock, panel alignment, threshold or frame condition is affecting operation.
  • A patio panel or complete sliding door system is damaged or no longer practical to repair.
  • A new residential sliding patio door system is required for the opening.
Backyard sliding patio door replaced in Caledon with smoother operation and better sealing

What we check and repair

  • Assessment of rollers, track, handle, lock, panel alignment, threshold, frame and perimeter condition.
  • Repair or component replacement where the existing manual patio system remains serviceable.
  • Panel replacement or complete sliding patio door replacement where required.
  • New sliding patio door installation, alignment, locking, sealing and movement checks.

Repair or component replacement is likely when

Repair is preferred when the frame and panel remain serviceable and rollers, track, lock or alignment can restore dependable movement.

Full replacement or installation may be better when

Panel or complete system replacement is considered when the frame, panels or track system are too damaged or worn for a durable repair.

Parts, compatibility and property details
Parts and systems
Sliding patio panels · Rollers · Track · Handle and lock · Threshold · Frame and perimeter sealing
Standards and requirements
Applicable Ontario Building Code requirements · Applicable Ontario Fire Code requirements for rated and egress openings · Accessibility requirements where relevant · Applicable ANSI/BHMA requirements for automatic pedestrian door systems
Need help with this problem?Call or send photos and we will confirm the next step

What happens during the visit

  1. 01

    Review photos of the full opening, bottom track, rollers or panel edge, handle and lock side.

  2. 02

    Inspect panel movement, track condition, rollers, alignment, frame, threshold and locking.

  3. 03

    Complete the approved repair, panel or system replacement, or new installation.

  4. 04

    Test sliding movement, locking, panel fit, drainage and perimeter sealing.

Completed projects for this service

6 projects

View all project categories

Questions about Sliding Patio Door Repair, Replacement & Installation

Can a hard-to-slide patio door be repaired?

Often yes. We check rollers, track condition, panel alignment, handle, lock, threshold and frame before recommending parts.

Can you replace a patio door panel or the complete system?

Yes. The scope may be a panel replacement or a complete sliding patio door replacement depending on frame, panel and operating condition.

Do you install new sliding patio doors?

Yes, after the opening, access, frame, drainage, threshold and product requirements are measured and confirmed.

What if only the glass or screen is damaged?

Glass-only work belongs to Door Glass & Sidelight Replacement. Sliding screen mesh or frame work belongs to Window Screens.

Get the door diagnosed before it becomes an emergency

Send photos and a short note. We will review the issue and recommend the next step.

DoorWin Google Reviews

Curtis Savage 8 reviews
★★★★★

I hired DoorWin services to replace two cracked glass windows for a unit at my triplex. An exterior porch window and interior stairwell window I just needed the panes of glass replaced and not the entire frame . DoorWin was happy to do the job. Unlike some other companies who wanted to replace the entire frame at a higher cost. They were very quick with a quote and were able to perform the job on an extremely tight timeline that I had to unexpectedly move up. Very professional. Friendly. Dependable. Competitive prices. Took away all materials and left a clean worksite. Would highly recommend and will work with them again if I need another window repair.

Ike Kvapil 6 reviews • 4 photos
★★★★★

Max at DoorWin completed a professionally executed job on our front door while being a pleasure to deal with...would recommend him for any services their company provides.

J1330i 2 reviews
★★★★★

Guys, thank you again for the excellent services!! Extremely fast and professional at a fair price...thanks again!!!

Nicole Seahra Local Guide • 62 reviews • 19 photos
★★★★★

Doorwin Services alongside Alex were amazing. Came in same day. Went above and beyond. Thanks so much!

Anastasiia Dashkevych 7 reviews
★★★★★

Great experience with the window replacement. The team was professional, efficient, and the quality of work exceeded expectations. Everything was completed on time and looks amazing. Highly recommend!!!!!wont be disappointed:)

Amir Malek 5 reviews
★★★★★

Had an amazing experience with Doorwin Services for my metal door installation. The quality of work, attention to detail, and professionalism were top notch from start to finish. Big thanks to Maksim for all his hard work and help throughout the process — everything was installed perfectly and the final result looks great. Highly recommend Doorwin Services if you want quality work done right.

yarin danan 9 reviews • 4 photos
★★★★★

Excellent service. I needed help with a broken window. They did everything quickly and efficiently. I recommend them

Oleksandr Branytskyi 4 reviews • 2 photos
★★★★★

Excellent service from start to finish. The work was completed professionally, quickly, and with great attention to detail. The technician gave us several options on how to strengthen and improve the glass unit, and we chose the best solution. Everything looks great now. Highly recommend!

Trevor Hickey 3 reviews
★★★★★

Excellent service and Excellent quality!!!

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