Window, Door & Glass Repair & Replacement in Whitby

We repair window and door problems, replace broken or foggy glass and provide complete replacement and installation options across Whitby and Brooklin when the existing opening is no longer practical to repair.

✅ Licensed & Insured 🏢 Commercial & Residential 🚚 Same-Day Visits Warranty up to 10 years
Upfront pricing · Clean job site · Clear timelines · No surprises.
New front bay window glass installed in Whitby with the existing frame kept in place
Broken front bay window glass on a Whitby home before replacement
Before
After
Broken Bay Window Glass Replaced for a Whitby Home

Window Repair, Replacement & Installation in Whitby

For a Whitby window with a broken pane, fog between panes or faulty hardware, we inspect the glass and supporting frame separately. We explain whether a focused repair can retain the existing window.

Our Whitby bay-window project shows replacement of broken window glass. A damaged pane does not by itself mean the complete bay window has to be replaced; we assess the frame and sash separately.

View this completed project
✓ Window Repair
✓ Window Replacement
✓ IGU Replacement
✓ Window Hardware
✓ Draft Sealing

Door Repair, Replacement & Installation in Whitby

We repair heavy sliding patio doors by replacing failed rollers and correcting damaged tracks, and we realign entry doors affected by settling in newer Brooklin developments.

For homes and commercial properties from Port Whitby to Taunton North, we can supply and install a compatible replacement when the slab, frame or complete door system is too damaged for a reliable repair.

✓ Door Repair
✓ Door Replacement
✓ Door Installation
✓ Patio Rollers
✓ Entry Alignment
New fire-rated metal laundry room door installed in Whitby with improved fit and cleaner hallway appearance
Whitby laundry-room opening after door removal and before the replacement fire-rated door was fitted.
Opening prepared
After
Fire-Rated Metal Laundry Room Door Replacement in Whitby
Recaulked panoramic corner window in Oakville with fresh exterior sealant.
Failed exterior caulking around a leaking corner window in Oakville.
Before
After
Leaking Corner Window Recaulked in Oakville

Caulking, Weatherstripping & Draft Repair

For homes in Brooklin, Downtown Whitby or Port Whitby, we inspect worn door seals and exterior window joints where there is a reported draft or leak. Location alone does not identify the fault.

We quote caulking, weatherstripping or an adjustment according to what the inspection finds. If the frame or surrounding wall needs a different repair, we explain that before sealing the joint.

✓ Exterior Caulking
✓ Draft Sealing
✓ Weatherstripping
✓ Draft Assessment
✓ Winterizing

Door Hardware Repair, Replacement & Installation in Whitby

A door closer and a residential lock solve different problems. In Whitby, we inspect closing speed, alignment and latching to identify the component that actually needs service.

For businesses in Whitby, we repair commercial aluminum door closers, pivots, and panic bars to ensure reliable access.

✓ Compatible Handlesets
✓ Commercial Closers
✓ Multi-Point Locks
✓ Panic Bars
✓ Security Upgrades
First Mississauga entrance after installation of a full-height continuous geared hinge
First of two aluminum commercial entrance doors in Mississauga before hinge repair
Before
After
Continuous Hinge Repair on Two Commercial Doors in Mississauga
New sealed glass unit in the Fairbank window while our technician completes the installation.
Cracked residential window glass before sealed unit replacement in Fairbank Toronto
Before
Final installation
Cracked Window Glass Replaced with a New Sealed Unit in Fairbank, Toronto

Glass Repair, Replacement & Installation in Whitby

Our Whitby work includes replacement glass in a bay window. We can also measure door inserts, sidelights and commercial panels, each to the specification of its own opening.

For a glass-only repair, we check the retained frame and how the panel is held in place. We confirm the product and any extra frame work before the order is placed.

✓ Safety Tempered Glass
✓ Custom Sidelites
✓ Storefront Panels
✓ Patio Glass
✓ Application-Matched Glass

Board-Up & Emergency Repair

We provide 24/7 emergency securing in Whitby for exposed glass openings and damaged entrances. Keep people away from loose glass and describe the affected opening when you contact us.

The securing visit and the finished replacement may take place separately. We establish the glass specification, order any required panel and arrange installation when it is available.

✓ Rapid Board-Up
✓ Storm Damage Repair
✓ Hazard Cleanup
✓ Security Stabilization
✓ 24/7 Response
Emergency plywood board-up installed over a damaged storefront opening in Kensington Market, Toronto
Broken storefront glass in Kensington Market, Toronto before emergency board-up
Before
After
Broken Storefront Glass Boarded Up in Kensington Market, Toronto
PRACTICAL ADVICE

Door, Window & Glass Advice for Whitby

Start with the affected opening: these checks help identify the repair or replacement service you need.

Cloudiness or moisture around a window

Moisture between panes differs from condensation on the room-side surface. We inspect the glass unit, stops and surrounding frame before recommending sealed-unit replacement.

Window glass replacement

Retail doors that slam or stay open

A closer may need adjustment or replacement, but hinges, pivots and latch alignment also matter. We assess the complete Whitby entrance before setting the repair scope.

Slamming door diagnosis

Older frames and Brooklin entries

An original window or a newer sticking door needs a condition and fit review. Preserve usable frames while addressing the damaged glass, hardware or alignment component.

Door diagnosis and repair

Perimeter drafts and patio rollers

Gaps in weatherstripping or caulking need a seal assessment. A heavy patio door requires a separate inspection of the track and rollers before parts are ordered.

Weatherstripping and caulking

Common Questions in Whitby

Do you offer professional window replacement in Whitby?
Yes, we provide expert window replacement services in Whitby. Whether you need a full vinyl window installation or just a cost-effective glass replacement, we have you covered.
Do you repair, replace and install commercial doors in Whitby?
Yes. We repair commercial aluminum and steel doors, replace failed door or frame components, and install compatible doors, closers, pivots and exit hardware.
Do you replace failed glass units in foggy Whitby windows?
Yes. For condensation trapped between the panes, we can replace the failed insulated glass unit (IGU) while keeping a serviceable frame. We assess surface moisture separately.
How fast is your emergency glass repair in Whitby?
Our mobile units provide 24/7 emergency response in Whitby. Our response target is up to 60 minutes. Actual arrival time depends on technician availability, traffic, weather, and safe site access.
Can you repair my sticking sliding patio door?
Yes, we fix heavy patio doors in Whitby by replacing rusted or crushed factory rollers with premium tandem steel rollers and capping damaged tracks.
Do you fix broken casement window cranks?
Yes, we stock and replace stripped window cranks, broken friction hinges, and sash locks for compatible residential window systems.
Can you replace the decorative glass in my front door?
Yes, we can upgrade or replace custom door lites and sidelights to restore the security and curb appeal of your front entry door in Whitby.
Are your door repair estimates in Whitby free?
Yes, we provide clear, upfront, and obligation-free quotes before beginning any door, window, or glass repair work in Whitby.

Window Repair, Replacement & Door Service in Whitby

From Brooklin homes to Port Whitby commercial properties, we handle window repair and replacement, door repair and installation, glass replacement and emergency securing. We retain serviceable frames and hardware when practical and recommend full replacement only when it provides the stronger long-term result.

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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