For most steel driveway gates the choice is between a swing gate (single or double leaf) and a sliding gate (on a ground track or cantilevered). Swing gates are simpler and suit level driveways with room for the gate to open. Sliding gates suit sloped or short driveways and tight spaces, and a cantilever slider, which never touches the driveway, is the most reliable option where snow and ice build up. The right one depends on your driveway's slope, the space beside and behind the opening, whether the gate will be automated, and what your municipality's fence by-law allows.
Swing vs sliding at a glance
| Swing gate | Sliding gate (track) | Sliding gate (cantilever) | |
|---|---|---|---|
| Space needed | Clear arc inside the property for each leaf | Room along the fence line for the full gate | Room along the fence line for the gate plus a counterbalance tail |
| Sloped driveway | Problematic if the driveway rises toward the house | Track must be level across the opening | Handles slopes well; nothing on the ground |
| Snow and ice | Snow in the arc stops the gate | Ground track fills with snow and ice | Best in winter: no ground contact |
| Wind | Large solid leaves act like sails on the hinges | Less affected | Less affected |
| Hardware | Hinges, posts, stops, latch | Wheels, V-track, guide rollers | Roller trucks, guide posts, longer frame |
| Typical feel | Classic entrance | Utilitarian, simple | Clean, commercial-grade |
Swing gates
A swing gate is one or two leaves hung on hinges from steel posts. A double swing gate, two leaves meeting in the middle, is the classic "main gate" look and keeps each leaf shorter, which reduces the load on the hinges and posts.
Where swing gates work well:
- Level driveways or driveways that slope away from the gate into the street
- Properties with room inside the gate for the leaves to swing, clear of parked cars
- Designs where the gate is part of the architecture, such as arched tops or decorative panels
Where they struggle:
- Driveways that rise toward the house. The bottom of the gate hits the pavement partway through its swing. Raised hinges or a gap under the gate are compromises; sliding is usually better.
- Snow. A swing gate can't open through a drift, so the arc has to be cleared.
- Wind. A tall, solid steel leaf catches a lot of wind, which strains hinges, posts and any operator.
- Swinging toward the street. A gate that opens outward can block the sidewalk or boulevard, so most driveway gates swing into the property.
Sliding gates: track vs cantilever
A sliding gate moves sideways along the fence line, so it needs no swing space across the driveway. That makes it the usual choice for short driveways, sloped driveways and properties where cars park close to the gate.
Track (V-groove) gates run on wheels along a steel track set into or onto the driveway across the opening. They're simpler and need less space along the fence. The downside in Ontario is the track itself: snow, ice, gravel and leaves in the groove stop the gate, and the track has to stay level and clean.
Cantilever gates hang from roller assemblies mounted on posts beside the opening. The gate frame extends past the opening on the closed side as a counterbalance, so nothing sits on the driveway. They need more room along the fence (the counterbalance tail is often around half the opening width, depending on the design), a stiffer frame and properly sized posts and footings. In exchange, they're the best performers in snow and on uneven ground.
Posts, footings and the frame
The gate is only as good as what holds it up:
- Posts carry the gate's weight, and for swing gates, a large bending load from the leaf hanging off one side. Steel HSS posts with plates or embedded bases are typical. See embedding steel posts in concrete vs base plates.
- Footings need to be deep enough to resist frost movement and wide enough to stop the post from leaning over time. Your installer or designer sets the depth for your soil and location.
- The frame is usually welded HSS or channel, with pickets, bars or panels as infill. Wide leaves need diagonal bracing or a stiffer frame to stop sagging.
- Infill affects weight and wind load. Open pickets are lighter and catch less wind than solid panels.
For how steel compares with wrought iron and aluminum for gates, see steel vs iron vs aluminum gates.
Check your fence by-law first
Driveway gates are usually governed by your municipality's fence by-law. Toronto's Municipal Code Chapter 447 is a good example of the kind of rules that can affect a gate:
- In a front yard, a fence within 2.4 m of a lot line abutting a public highway is limited to 1.2 m in height on residential property.
- Any fence within 2.4 m of a driveway must be open mesh chain-link or equivalent open construction for at least 2.4 m from the lot line where the driveway begins, so it doesn't block the view of the boulevard or street.
- Sheet metal and corrugated metal panels aren't permitted in any fence.
Other municipalities have their own versions, and by-laws are amended from time to time, so check the current one for your property before you settle on height or solid infill. Exemptions are possible in some cities but take time.
Automation and safety
Automated gates are heavy moving machinery, and both swing and sliding gates can trap or crush a person or pet. If the gate will be automated:
- Choose a certified operator. In Canada, the electrical safety standard for gate operators is CSA C22.2 No. 247, "Operators and systems of doors, gates, draperies, and louvres", so look for an operator certified for use here. In the US, UL 325 covers operators and ASTM F2200 covers automated vehicular gate construction, and many installers follow them here too.
- Plan entrapment protection. Photo eyes, safety edges and guarded rollers protect the points where a gate can pinch or crush. Follow the operator's instructions for what's required.
- Design the gate for the operator. Smooth-running hinges or rollers, a rigid frame and positive stops reduce strain on the motor. Cantilever gates and long swing leaves need operators rated for their weight and length.
- Plan power and wiring with a licensed electrician.
If you're looking at DIY sliding gate plans, a manual gate is within reach for someone who welds, but the posts, footings, rollers, stops and latches deserve as much attention as the gate frame. For an automated gate, have the operator installed and adjusted by a qualified installer.
Finish and maintenance
Steel needs protection from rust, especially at the bottom of the gate where salt spray and snowmelt collect. Common options are a good primer and paint system, powder coating or galvanizing, sometimes combined. Hinges, rollers and tracks need periodic cleaning and lubrication, and track gates need the groove kept clear in winter. Ask your fabricator which finish suits your exposure and design.
What to send for a gate quote
Every gate is custom, so the quote depends on the details. To get an accurate one, send:
- The clear opening width and the gate height you want
- Swing (single or double) or sliding (track or cantilever)
- The space available beside the opening and inside the property
- Photos of the driveway showing slope and the existing posts or walls
- Infill style and any design sketch or photo you like
- Whether it will be automated, and with which operator if chosen
- Finish preferences
Our guides on custom steel gate cost and preparing for a custom steel gate quote go further.
We fabricate custom steel gates to suit your opening and design. Send us your measurements and photos for a quote. We can prime or galvanize the gate to suit the job, and installation is by your installer or contractor. See the miscellaneous steel we make for more.
Frequently asked questions
Is a sliding or swing gate better for a driveway?
A swing gate is usually simpler and suits level driveways with room for the gate to open. A sliding gate suits sloped or short driveways and tight spaces, because it moves along the fence line instead of sweeping across the driveway. In snowy Ontario winters, a cantilever sliding gate avoids the ground track that can fill with ice.
What is a cantilever sliding gate?
A sliding gate that hangs from rollers on posts beside the opening, with a counterbalance section behind it, so it never touches the ground across the driveway. It needs extra space along the fence line, roughly half the opening width again beyond the opening, depending on the design.
Do I need a permit for a driveway gate in Ontario?
Fences and gates are usually regulated by municipal fence by-laws rather than building permits. Toronto's Chapter 447, for example, limits front yard fence heights near the street and requires open construction within 2.4 m of a driveway for sight lines. Check your own municipality's by-law before ordering.
Can I build a steel sliding gate myself?
A manual sliding gate is within reach for an experienced welder, but the posts, footings, rollers and stops matter as much as the gate. Automated gates are another matter: the moving gate can trap or crush, so use a certified operator and have it installed with the entrapment protection its instructions require.
