Most front doors we replace in the GTA end up as either steel or fiberglass. Both are insulated, both come in modern and classic styles, and both can take sidelites, a transom and decorative glass. The difference is in the details: how they look up close, how they handle a dent or a Toronto winter, how much upkeep they need, and what they cost.
We supply and install both. Here is how we help homeowners choose.
The short answer
- Choose steel if you want a clean, modern or painted look, strong security and the best value. It is the most budget-friendly way to get a new insulated front door.
- Choose fiberglass if you want the look of real wood without the upkeep, or the door takes a beating from sun, rain or kids. It costs more, but it shrugs off dents and moisture.
How they are built
Steel doors have a steel skin over an insulated foam core. The steel is painted at the factory in the colour you pick, and many styles come with grooves, metal accents or a moulded panel.
Fiberglass doors have compression-moulded fiberglass skins over an insulated foam core. The skins can carry a deep wood grain (oak, fir, mahogany or teak) or a smooth face for painting. On the doors we supply, the edges and the top and bottom rails are made from composite, not wood, and sealed so moisture can't get into the core.
Looks and style
Steel suits modern homes very well. Think flush slabs, horizontal grooves, a long glass strip, or a bold paint colour. It also comes in classic Shaker, 2-panel and 4-panel styles. You can choose black outside with white inside, and there are 44 standard paint colours plus custom options.
Fiberglass is the choice for a wood look. Stain the grain any colour, from light oak to a deep mahogany, or choose a smooth door and paint it. Craftsman, Shaker, rustic plank and modern teak styles are all popular, and matching sidelites are available for many of them.
Both come in the standard 6 ft 8 in height, and many styles also come 7 ft or 8 ft tall. A taller door makes a big difference on a home with high ceilings.
Durability
Steel is strong and holds its shape. Its weak point is the skin: a hard hit can leave a dent, and a deep scratch should be touched up so it does not rust. On a covered porch with normal use, a steel door lasts for many years.
Fiberglass does not dent, rust, rot or splinter, and it is not bothered by moisture or humidity. That makes it the better choice for an entrance that gets direct sun, driving rain or heavy daily use. Some of the fiberglass lines we supply carry a 25-year limited manufacturer's warranty.
Insulation and winter comfort
Both doors have an insulated foam core, so either one is a big step up from an old wood door or a worn-out unit. In practice, how comfortable the entrance feels in January depends as much on the glass, the weatherstripping, the sill and the installation as on the door material.
- Glass matters. The more glass in the door and sidelites, the more it affects comfort. Ask for triple-glazed, low-E glass if you want the best performance. One steel line we supply is ENERGY STAR certified in all configurations, with triple-glazed decorative glass that has two low-E coatings.
- The frame and seal matter. A new door in an old, out-of-square frame will still leak. We look at the frame, sill and opening before quoting, and replace them when needed.
- The installation matters. The gap between the new frame and the house must be properly insulated and sealed.
Security
Both can be very secure. Steel has the reputation for strength, and the right lockset and a solid frame matter more than the door skin. The fiberglass doors we supply have a full-length lock block and reinforced edges that hold screws better than wood. With either one, ask about a multi-point lock or a smart lock with keypad entry.
Maintenance
Steel: wash it now and then, and touch up any chips or deep scratches so they do not rust. Factory paint holds up well, but a dark colour in full sun works harder than a light one.
Fiberglass: almost maintenance-free. A stained wood-grain door may need its top coat refreshed after many years in strong sun, the way any stained exterior surface does. Smooth fiberglass can be repainted to change the look.
Cost
Steel is usually the more budget-friendly choice. Fiberglass costs more, especially wood-grain doors that are stained, and doors with large sidelites or decorative glass. With either material, the final price depends on:
- The size and height of the door
- Single or double doors, and whether there are sidelites or a transom
- The style, glass and finish
- The lockset and handle
- Whether the frame and sill need replacing, and any trim or masonry work around the opening
We quote supply and installation together after seeing the opening.
Which one should you pick?
Pick steel if:
- You want a modern or painted look, or a bold colour
- The entrance is covered and does not take much abuse
- You want the best value for an insulated, secure door
Pick fiberglass if:
- You love the look of wood but do not want wood upkeep
- The door faces strong sun or weather, or gets heavy use
- You want a door that will not dent
If you like the look of both, bring it up at your consultation. We will show you samples of steel colours and fiberglass grains side by side.
Frequently asked questions
Is fiberglass better than steel in a Canadian winter? Both have insulated cores and can perform well. The glass, the weatherstripping and the installation make the biggest difference to comfort. Fiberglass has the edge if the door gets a lot of moisture, since it will not rust.
Do steel doors rust? Not if the paint is intact. A deep scratch that reaches bare steel should be touched up so it does not start to rust.
Can I stain a fiberglass door? Yes. Wood-grain fiberglass doors are made to be stained, so you can choose anything from a light oak to a dark mahogany. Smooth fiberglass doors are painted instead.
Can I get a taller front door? Many steel and fiberglass styles come 7 ft and 8 ft tall, as well as the standard 6 ft 8 in. A taller door usually means changing the opening, so we check it first.
See the options and book a visit
Browse every steel and fiberglass style, colour and glass option in our entry door design guide, see real installs on our steel door and fiberglass door pages, or start on our entry door installation page. You can also call us at 647-326-0613.
Sources and review
Prepared by Better View Solutions on October 21, 2026, from our own entry door installations and the product documentation for the steel and fiberglass doors we supply. Warranty and performance details vary by product line.