Window Mart offers supply & installation of energy-efficient, durable and secure steel entry doors in Canada.
Explore a wide selection of high-quality steel entry doors at Window Mart. Steel doors are as functional as they are visually impressive, providing superior performance, security and durability. Our steel entry doors come factory finished in white, requiring no further coatings. Prefinished doors come ready for custom painting to fit any style, design or colour palette desired.
A steel door is an excellent choice for various reasons, including high-performance and affordability. Its components are designed for durability and peace of mind, letting you rest easy for years to come.
We have a door you’ll like

Why Choosing a Steel Door?

- Durability: Interlocking steel door skins use stiles to form a J-bend edge that enhances stability while providing superior resistance to delamination.
- Strength and Security: Our doors are designed to be both visually stunning and security-minded. Each door utilizes a full-length steel reinforced wood lock block to provide enhanced security while also allowing for the versatility of a wide selection of hardware mounting options.
- Energy Efficiency: Next to windows, doors are the second leading cause of energy loss from drafts and poor insulation. Our steel doors utilize 100% CFC-free polyurethane foam to provide superior insulation boasting an excellent R-rating.
The Features
Reinforced Strength
Reinforced steel rails provide impressive structural stability and a solid framework for the prevention of warping and bowing.
Reliable Stability
Interlocking steel door skins use stiles to form a J-bend edge that enhances stability while providing superior resistance to delamination.
Excellent Insulation
High-density foam insulation combined with HCFC free polyurethane provides excellent thermal resistance with an impressive 13.1 R-value and 0.076 U-value.
Moisture Protection
Our doors make sure of a composite edge perimeter ensuring superior protection from moisture, corrosion and rot.
Fire Resistant
Unlike wood, steel doors provide superior fire resistance with our models measuring in at a 20-minute fire-resistance rating.
Pre-finished
Ready to hang straight from the factory, our doors come in a highly durable white finish with no additional coatings required. This finish is prepped and ready for custom paint if required.
Custom Finishes
All custom finishes are applied utilizing the highest-grade industrial paint designed to provide long-lasting results and a silky smooth, polished and uniform surface.
Exterior Doors Online Catalogue
Window Mart’s online catalogue contains over 100 exterior door models. The catalogue is equipped with an advanced products filter. It allows to find doors that you need easily by filtering the list by style, size, material, glass design and by many other important parameters.
Browse our catalogue now and find the door you like!
What Our Clients Say
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