Window, Door & Glass Repair & Replacement in Newmarket

We repair and replace windows and doors throughout Newmarket, including operating hardware, failed sealed glass and damaged entrances, with complete installation available when the existing system cannot be retained.

✅ Licensed & Insured 🏢 Commercial & Residential 🚚 Same-Day Visits Warranty up to 10 years
Upfront pricing · Clean job site · Clear timelines · No surprises.
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

Window Repair, Replacement & Installation in Newmarket

We install and replace windows in Newmarket when the frame, sash or complete unit is no longer performing properly. When the frame is still sound, we can often replace only the failed insulated glass unit instead of the full window.

We also replace stripped casement cranks, broken sash locks and worn hinges, then adjust the opening to close and seal correctly.

✓ Window Installation
✓ Window Replacement
✓ IGU Replacement
✓ Casement Hardware
✓ Draft Sealing

Door Repair, Replacement & Installation in Newmarket

We install and replace front entry, patio and selected commercial doors when the existing system is damaged, outdated or no longer closes securely.

Our Newmarket garden-door project includes a black door and sidelight installation. When comparing repair with replacement, we check the existing opening and discuss which parts of the assembly would change.

View this completed project
✓ Door Installation
✓ Door Replacement
✓ Patio Door Rollers
✓ Entry Door Repair
✓ Weather Sealing
Installed black garden door and full-height sidelight viewed from outside, with perimeter finishing still visible in Newmarket.
Black hinged garden door and full-height sidelight during installation in Newmarket, viewed from inside.
Interior view
Exterior view
Black Garden Door with Sidelight Installed in Newmarket
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

Emergency Services in Newmarket

Whether it’s a shattered storefront near Yonge Street or a broken sliding door in Stonehaven, emergencies need immediate action.

Our team is available 24/7 to assess exposed openings and arrange temporary securing. A permanent glass panel may need measurement and ordering, so we confirm its timing separately.

✓ Emergency Board-Up
✓ Break-in Repairs
✓ Storefront Securing
✓ Lock Stabilization
✓ 24/7 Response

Glass Repair, Replacement & Installation in Newmarket

We supply and install custom replacement glass for shattered patio doors, broken sidelites, and commercial properties.

A door insert is measured with its retaining frame, while a window unit is checked against its sash. We confirm the construction and fit before the replacement is supplied.

✓ Safety Tempered Glass
✓ Storefront Panels
✓ Patio Glass
✓ Sidelites
✓ Application-Matched Glass
Modern front entry door installed in Newmarket with sidelight glass beside it
Old black front entry door in Newmarket before replacement
Before
After
New Front Entry Door Installed in Newmarket
Modern front entry door installed in Newmarket with sidelight glass beside it
Old black front entry door in Newmarket before replacement
Before
After
New Front Entry Door Installed in Newmarket

Door Hardware Repair, Replacement & Installation in Newmarket

Secure your family home with upgraded deadbolts, handlesets, and high-security locks.

For Newmarket’s retail and commercial sector, we routinely service heavy-duty door closers, pivots, and panic bars to keep high-traffic entrances accessible and safe.

✓ Commercial Closers
✓ Security Locks
✓ Deadbolts
✓ Panic Bars
✓ Hardware Upgrades

Caulking & Winter Weatherproofing

If a Newmarket entry has a draft after it is locked, we check the threshold, latch-side contact and hinge alignment. We replace worn sealing material when the surrounding door remains serviceable.

For windows, we inspect exterior caulking and the seal at the moving sash as separate parts. We explain the repair area and check that the window can close against the renewed seal.

✓ Exterior Caulking
✓ Weatherstripping
✓ Draft Stopping
✓ Draft Assessment
✓ Winterizing
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
PRACTICAL ADVICE

Door, Window & Glass Advice for Newmarket

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

Original Main Street entries

A jammed mortise lock does not automatically require a new door. We review the original door, frame and hardware before selecting a compatible repair or replacement component.

Mortise locks and locksets

Drafts around Woodland Hill openings

Check weatherstripping, caulking and sash alignment where a closed window lets in air. The inspection determines which seal or component needs attention.

Weatherstripping and caulking

Stiff cranks and patio rollers

Avoid forcing a window crank or dragging a heavy slider. We check the operator, hinges, track and rollers to identify the parts responsible for difficult movement.

Window crank service

Retail entrances around Davis Drive

A commercial door that slams or fails to latch needs an opening assessment. We review the closer, hinges, pivots and panic hardware before planning maintenance or repair.

Commercial door repair

Common Questions in Newmarket

Do you provide vinyl window installation in Newmarket?
Yes, we specialize in high-quality vinyl window installation in Newmarket. We carefully prepare the opening, ensure tight weather sealing, and install energy-efficient windows that upgrade your home’s value.
Can you repair a broken commercial door in Newmarket?
Yes, we repair all aspects of commercial doors in Newmarket, including leaking door closers, broken pivots, panic hardware, and shattered entry glass to keep your business secure.
How quickly can you replace broken window glass in Newmarket?
For emergency broken-glass calls, our response target in Newmarket is up to 60 minutes. Actual arrival time depends on technician availability, traffic, weather, and safe site access. We can make the opening safe first; permanent replacement timing depends on the required glass unit.
Do you offer emergency storefront board-up in Newmarket?
Yes, our 24/7 emergency board-up service is available for all Newmarket businesses. If your storefront is vandalized or broken, contact us to arrange securing, day or night. We confirm arrival according to availability and safe site access.
Can you fix a front door that won’t lock properly?
Yes, we repair misaligned doors, fix sagging hinges, and replace deadbolts and multi-point locking systems for residential front doors across Newmarket.
Do you replace foggy insulated glass units (IGUs) in Newmarket?
Yes. If condensation is trapped between your window panes, we can measure and install a brand-new insulated glass unit (IGU) into your existing frame, saving you the cost of a full window replacement.
Are you insured for work in Newmarket?
We carry commercial liability insurance and maintain WSIB clearance for on-site work.
Can you repair window screens in Newmarket?
Yes, we repair and re-mesh torn window and patio door screens to keep pests out while letting fresh air into your Newmarket home.

Window & Door Installation in Newmarket

We install, replace and repair windows and doors across Newmarket. We also handle foggy glass, casement hardware, patio door rollers, entry alignment and emergency securing for damaged openings.

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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