Replacement Doors
Calgary
Entry doors, patio doors, and custom configurations. Function and security without compromising on style. Installed by our own team for over 40 years.
First Impressions,
Lasting Quality
Your front door is the first thing guests see — and the last line of defence against Alberta's demanding climate. At Cossins, we believe function and security should never mean compromising on style.
We offer fibreglass entry doors, metal-clad wood exterior doors, PVC sliding patio doors, and metal-clad wood sliding patio doors — each fully customizable to your home's architecture. Optional multi-point hardware adds a level of security with a guaranteed weather-tight seal.
For over 40 years, Calgary homeowners have trusted Cossins for their door replacement and new construction projects. Our in-house installation teams focus on the highest quality workmanship on every project.
Our window lines are manufactured in-house; door lines are specified and prepared to order, not built in our window facility. Understand what Cossins manufactures in Calgary.
The Benefits of Premium
Replacement Doors
Optional Multi-Point Security
Available as an upgrade, multi-point locking hardware engages multiple bolts simultaneously for enhanced security and a superior weather-tight seal.
Climate Engineered
Built to withstand Calgary's extreme temperature swings, chinook winds, and heavy snow loads. Insulated cores and weatherstripping rated for -40°C to +40°C.
Custom Design
Sidelights, transoms, decorative glass, and custom panel configurations. Multiple handle styles and colour options to match your home's architecture perfectly.
Expert Installation
Our trained in-house teams handle door installation. Proper shimming, sealing, and alignment is critical for performance and longevity.
Every Style, Custom Built
From grand entry systems to expansive sliding patio doors, every door is available in multiple materials and finishes, then configured to your exact specifications by our in-house team.
Fibreglass Entry Doors
The most durable and low-maintenance option for Calgary's climate. Fibreglass won't warp, crack, or rot — and can be finished to replicate the look of natural wood grain. Available with sidelights and transoms.
Metal-Clad Wood Entry Doors
The warmth and beauty of natural wood on the interior with a protective aluminum exterior cladding. Premium craftsmanship with the durability to withstand Alberta's harsh elements year after year.
PVC Sliding Patio Doors
Smooth, effortless operation with fusion-welded PVC frames for superior air and water tightness. Wide glass panels flood your living space with natural light and provide seamless indoor-outdoor flow.
Metal-Clad Wood Sliding Patio Doors
Premium sliding patio doors with warm hemlock wood interior frames and maintenance-free aluminum exterior. The ultimate combination of beauty, performance, and durability for discerning homeowners.
French Doors
Classic hinged double doors that open outward or inward. Available in fibreglass or metal-clad wood with full glass panels, grilles, and custom hardware. Elegant transition between indoor and outdoor spaces.
Custom Configurations
Multi-panel sliding systems, oversized entry systems, arched transoms, and architectural glass options. If you can envision it, our in-house team can configure it to your exact specifications.
Two Premium Lines,
Uncompromising Quality
Fibreglass Entry Doors
The most durable and low-maintenance door material available. Fibreglass doors won't warp, crack, dent, or rot — even through Calgary's most extreme temperature swings. Available in smooth or wood-grain textures that can be stained or painted to match any architectural style.
- Won't warp, crack, dent, or rot — guaranteed
- Insulated polyurethane core for superior energy efficiency
- Smooth or realistic wood-grain texture options
- Can be stained or painted to any colour
- Optional multi-point locking hardware available
- Sidelights, transoms, and decorative glass available
- Rated for extreme temperature ranges (-40°C to +40°C)
Built to Protect
What Matters Most
Cossins doors are available with optional multi-point locking hardware — multiple bolts engage simultaneously along the full height of the door, creating a superior weather-tight seal and maintaining a strong connection between door and frame.
Our Stress-Free Process
One team handles everything — sales, manufacturing, and installation all work together under one roof. That's the Cossins difference.
Private Consultation
We visit your home, assess your entry and patio door needs, measure precisely, and discuss material and style options — no pressure.
Custom Specification
Your doors are specified to your exact requirements. Every detail — from panel configuration to hardware finish — is prepared to order by our in-house team.
Professional Installation
Our trained in-house teams install your doors. Proper shimming, sealing, and alignment for perfect operation.
Final Inspection
We walk through every door with you, ensure smooth operation, proper locking, and weather sealing. Backed by our comprehensive warranty.
Schedule Your Private
Door Consultation
Whether you're replacing a single entry door or upgrading your entire home's patio access, we'll visit your property, assess your needs, and provide a detailed quote — no obligation, no pressure.