Signs the window needs service
- A horizontal sash is heavy, sticks, grinds or jumps as it moves.
- The latch does not line up, or the sash will not close fully into the frame.
- The panel rattles or lets in drafts despite appearing closed.
Repair • Replacement • Installation
Sliding Window Repair, Replacement & Installation
Sliding window sticking, rattling or not locking? We check rollers, tracks and sash alignment, then explain the cleaning, adjustment or repair needed.
Insured
WarrantyUp to 10 years
What we check and repair
- Inspection of accessible track buildup, roller condition, guides and sash fit.
- Checks of lock alignment, weatherseal contact and the condition of the frame.
- Identification of compatible repair parts and whether cleaning or adjustment is enough.
Repair or component replacement is likely when
Repair is appropriate when the frame and sash remain serviceable and rollers, tracks, locks or alignment can restore normal movement.
Full-window replacement may be better when
Complete replacement is considered when the frame or sash is damaged, warped or unable to hold dependable hardware and sealing.
Parts, compatibility and property details
- Parts and systems
- Sliding sash · Rollers · Tracks · Locks / latches · Weatherseal · Window frame
- Standards and requirements
- Applicable Ontario Building Code requirements · Applicable safety-glazing requirements where relevant · Manufacturer installation requirements for compatible window and hardware systems
Window assessment workflow
- 01
Review full-window and track photos and note how the sash sticks or fails to lock.
- 02
Inspect movement, rollers, guides, seals and lock alignment without forcing the sash.
- 03
Confirm the cleaning, adjustment or compatible-part repair and agree the quote.
- 04
Complete the approved work and test sliding, closing and latching.
Related services
Questions about Sliding Window Repair, Replacement & Installation
Why does my sliding window stick or jump off its track?
Track buildup, worn rollers, damaged guides or sash alignment can cause sticking or jumping. We inspect the system before deciding whether cleaning, adjustment or compatible hardware replacement is appropriate. A damaged track or frame may require a different repair.
Can sliding window rollers be replaced in a condo?
Yes. We inspect the sash, rollers and track in condo and apartment windows. A repair may be completed in one visit when the matching parts and access are available; otherwise we confirm the parts and arrange a return visit.
How much does sliding window repair cost?
Pricing depends on the roller style, track condition, sash size and access. We compare the required repair with replacement if the sash or frame is badly damaged, and provide a free quote before work.
Do you replace the glass in sliding windows too?
Yes. Cracked panes and failed sealed units can be replaced while keeping a serviceable sash and frame. We quote the replacement glass and installation work for the opening.
Toronto & GTA service coverage
Find out why your sliding window sticks
Send photos of the full window, accessible lower track and latch. Tell us whether the sash drags, rattles or fails to lock. Do not remove or force the sash to take photos.