Entry doors prioritize security and curb appeal; patio doors prioritize light, access, and large glass performance. Browse all guides →
Quick comparison
| Entry door | Patio door (sliding / garden) | |
|---|---|---|
| Typical installed cost | $1,500 – $4,000 | $2,000 – $5,500 |
| Install time | 4 – 6 hours | 6 – 8 hours |
| Main priority | Security, weather seal, curb appeal | Light, backyard access, view |
| Common materials | Steel, fiberglass, wood | Vinyl, aluminum-clad, fiberglass |
| ENERGY STAR | Yes — insulated core + glass | Yes — Low-E double/triple glass |
When to replace your entry door
Steel and fiberglass entry doors are the most common upgrades in Mississauga. Fiberglass can mimic wood grain without the maintenance of real wood in our climate.
- Drafts around the frame or failed weatherstripping
- Difficulty locking or aligning the door
- Visible rust, rot, or warping
- Condensation inside glass on sidelites
- You want a fresh look for curb appeal before selling
When to replace your patio door
Sliding patio doors are standard in many Mississauga subdivisions from the 1980s–2000s. Lift-and-slide or French garden doors are popular upgrades in Erin Mills and Meadowvale renovations.
- Wheels or track wear — door skips or sticks
- Foggy double-pane glass (seal failure)
- Single-pane legacy units from older builds
- You are opening a wall for indoor-outdoor living
Security and efficiency
Both door types should include multi-point locking where possible and ENERGY STAR certified glass packages.
Entry doors benefit from solid cores, reinforced strike plates, and proper sill pans. Patio doors need quality rollers, interlocking meeting rails, and warm-edge spacers in the glass unit.