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Perma Seal Windows & Doors Ltd.
...a great job every time.

Marvin Canada

The culture at Marvin matches our own and is built on... Integrity, honesty, quality, and community. Marvin’s 100+ year success is based on these core principles and we at Perma Seal Windows & Doors Ltd. are proud to be a Partner.

TruStile is transforming interior design with high quality,
made-to-order, well-designed interior doors.
Every TruStile door is made to your exact specifications. 

Trustile - A Marvin Brand

What we do...

We custom manufacture wood windows & doors for the renovation and historical rehabilitation market...with INTEGRITY! Advantages of hiring Perma Seal for your next project: 


Honest and Dependable

Our reputation for great installations, 
we assess existing conditions with integrity


We Are Always Improving

Our craftsmen produce high quality products


We Are Passionate

 Quality & reliability is our guarantee

"we do good work"...

Manufacturers of:
* Exterior high quality wood doors - built for COLD
* Solid or reinforced wood frames, side-lite, and transom
* Functional specialty windows residential / commercial
* Screens, wood replication, restoration, and rot repair
* Copper details and flashing that adds WOW
* Storm, check-rail sash, muntins, divided lite, trim kits

Suppliers of:
* Glass, annealled, tempered, insulating units, door lites
* Steel / Fibreglass insulated doors & decorative glass
* New / replacement aluminum slider comm. storefront
* Repairs for most wood window and door systems
* Historic format glass - undulated / bubbles / unique features

Installation services:
* Windows insert / full frame, doors, frames, insulating glass
* Thermally broken store-front / architectural aluminum
* Copper flashing & special design details - CDA
* Historic site planning, assessment and restoration

Other services:
* Audit / assess historic structures, planning, consultation
* Difficult water leaks, window/door problems fixed for good
* Invasive and non destructive inspection
* 3D thermography, collaborative investigation
* Collaborative window / door installation management
* Building envelope issues dealt with

"Quality & reliability is our gaurantee"

Call our experts...we love to help!

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