OPT Windows Ltd

🏡 One Home Upgrade We Wish We Had Done Sooner

After living through a few Canadian winters, you quickly realize how much of a difference a well-designed front entrance can make.

Cold air rushing into the house every time the door opens in winter. ❄️
Mosquitoes getting inside when you want some fresh air in summer. 🦟
Packages sitting outside exposed to rain, snow and wind. 📦

A custom porch enclosure / storm door system creates an extra layer between your home and the outdoors — and it can completely change how your entrance looks and feels.

✨ More comfort. More function. More curb appeal.

Our custom systems feature:

✔️ Premium thermally broken aluminum frames
✔️ Multi-point locking system for added security
✔️ Operable windows for fresh-air ventilation
✔️ 304 stainless steel insect/security mesh
✔️ Custom sizing and configurations
✔️ Clean, modern designs that complement your home

It’s not just about blocking the wind.

It creates a practical transition space at your entrance while helping protect your home from the changing Canadian weather — all while giving the front of your house a beautiful upgrade.

At OPT Windows, every project is customized for the home:

📏 Professional on-site measurements
📝 One-on-one design and configuration
🏭 Locally manufactured in the GTA
👷 Installed by our own installation team

📍 Serving Toronto, Markham, Richmond Hill, Vaughan, Mississauga, Brampton, Pickering, Ajax, Whitby, Oshawa & surrounding GTA areas.

Thinking about upgrading your entrance?

📩 Send us a photo of your front entrance and approximate measurements for a free estimate.

🇨🇦 The first time you slide this door... you'll understand the difference.

Most people expect a large glass door to feel heavy.

Then they try ours.

"Wow... it's so smooth."

That's the difference a premium Lift & Slide Door makes.

At OPT Windows, our heavy-duty sliding doors are engineered for modern Canadian homes, combining luxury aesthetics with outstanding performance.

✨ Why homeowners are making the upgrade:

✔ Premium thermally-broken aluminum frame
✔ Effortless lift & slide operation
✔ Large glass panels for more natural light and stunning views
✔ Superior weather sealing for Canadian winters
✔ Premium German hardware for smooth, quiet operation
✔ Multiple opening configurations available
✔ Optional 304 stainless steel security mesh for fresh air without bugs

Whether you're renovating your backyard, upgrading your patio, or building your dream home, a premium sliding door transforms both the look and feel of your living space.

Because sometimes, the best part isn't how it looks...

It's how it feels every time you open it.

📍 Proudly Made in Ontario
📐 Custom built for your home
👷 Professionally installed by the OPT Windows team

📩 Contact us today for a FREE quote or visit our Markham showroom to experience the difference yourself.

🇨🇦 The moment you install a porch enclosure, you'll wonder why you didn't do it sooner.

It's one of those home upgrades you don't fully appreciate... until you experience a Canadian winter.

No more freezing air rushing into your home.
No more opening the door to rain, snow, or swarms of bugs.
Just a cleaner, safer, and more comfortable entrance—every single day.

✨ Designed for the way Canadians live:

🏡 Adds a bright, functional entry space for shoes, strollers, packages, and everyday convenience

❄️ Helps block cold drafts and improve year-round comfort

🔒 Reinforced multi-point locking system for enhanced security

🌬️ Built-in casement windows let fresh air flow naturally

🦟 304 stainless steel security screens keep insects out while you enjoy the breeze

🪟 Premium thermally-broken aluminum construction, built to perform in Canada's changing seasons

A porch enclosure isn't just about protecting your entrance.

It's about making your home feel more comfortable, more secure, and more complete.

📍 Proudly manufactured in Ontario
📏 Custom-designed for every home
👷 Installed by the experienced OPT Windows team

📩 Contact us today for a FREE quote or visit our Markham showroom.

✨ More Than a Sliding Door. It's a Better Way to Live.

Imagine opening your living room to your backyard with one effortless slide.

Our premium lift & slide doors are designed to transform your home with:

✔ Expansive glass for brighter living spaces
✔ Ultra-smooth, whisper-quiet operation
✔ Premium thermally-broken aluminum frames
✔ Excellent energy efficiency for Canadian weather
✔ Optional stainless steel security mesh for fresh air without bugs
✔ Modern, minimalist design that elevates your home's value

Whether you're renovating your backyard, patio, or building your dream home, this is the upgrade that makes every day feel more luxurious.

🇨🇦 Custom manufactured in Ontario and professionally installed by our in-house team.

📍 Serving Toronto, Markham & the GTA
📩 DM us today for a FREE consultation.

🇨🇦 More Than a Porch. It's an Upgrade to How You Live.

A premium porch enclosure adds more than protection from wind and snow.

✨ A refined, enclosed entrance
🔒 An extra layer of security with a multi-point locking system
❄️ Better comfort by reducing cold drafts
📦 A secure space for packages and everyday storage
🏡 A cleaner, more luxurious look for your home
🛠 Premium thermally-broken aluminum construction built for Canadian weather
🌬 Casement windows with stainless steel security screens for fresh air, ventilation, and bug-free living

Because luxury isn't just about appearance—it's about comfort, security, and thoughtful design.

📩 DM us for a FREE consultation.

📍 Serving Markham, Toronto & the GTA