How to Build a Metal Fence on a Slope
Updated: Sep 8
A sloped yard does not prevent you from installing a modern metal fence. Depending on the fence system and the terrain, a metal fence can be installed using either a stepped or racked method.
With a stepped installation, every fence section stays level while the sections step up or down with the terrain. With a racked installation, the fence follows the slope to create a continuous line.
Modern Yard offers two metal fence configurations for sloped properties:
FireGuard™ Vertical Metal Fence
Line™ Horizontal Metal Fence
Because these systems use different infill orientations and hardware, they do not handle slopes in exactly the same way. FireGuard fencing is installed using a stepped method, while Line fencing can be installed using either a stepped or racked method.
How to Build a FireGuard Vertical Metal Fence on a Slope
Modern Yard recommends a stepped installation for the FireGuard™ Vertical Metal Fence System.
Each FireGuard fence section remains level while adjacent sections step up or down to accommodate changes in ground elevation.
Because the FireGuard steel panels are installed vertically, the bottom of each fence section must sit on a flat, level surface. On sloped ground, a treated wood kickboard can be cut to follow the grade and create a level base for the vertical metal fence above it.
Modern Yard offers a Kickboard Adapter that fits treated wood with an actual thickness of 1.5 inches, commonly sold as nominal 2-inch lumber. The adapter allows the treated wood base to connect directly to the Modern Yard fence system.
FireGuard Stepped Installation
The general installation layout is:
Install the fence posts vertically at the planned locations.
Cut the treated wood kickboard to follow the grade between the posts.
Install the Kickboard Adapters.
Secure the treated wood kickboard between the posts.
Build a level FireGuard fence section above the kickboard.
Repeat the process for each section as the elevation changes.
The kickboard follows the ground, while the FireGuard fence section above it remains level.
Depending on the elevation change, longer posts may be required to maintain adequate in-ground post depth.
What You May Need
Longer Modern Yard steel posts
Modern Yard Kickboard Adapters
Nominal 2-inch pressure-treated wood
1.5-inch actual wood thickness
Standard FireGuard Vertical Metal Fence components
Modern Yard does not currently recommend racked installation for the FireGuard Vertical Metal Fence System because the vertical panels require a level base and the system does not use an adjustable rail connector designed for racked vertical applications.
How to Build a Line Horizontal Metal Fence on a Slope
The Modern Yard Line™ Horizontal Metal Fence System can be installed using either a stepped or racked method.
A stepped installation keeps each Line fence section level. A racked installation allows the horizontal metal panels to follow the slope.
Stepped Line Metal Fence Installation
With a stepped installation, each Line fence section remains level while successive sections step up or down with the terrain.
The standard Line Horizontal Metal Fence hardware can be used without additional slope-specific components.
The general installation sequence is:
Install each steel post vertically.
Determine the elevation of each level fence section.
Install the standard Line hardware at the required height.
Install the horizontal metal panels so the section remains level.
Raise or lower the next section to follow the terrain.
Repeat the process along the fence line.
Longer posts may be required where the fence elevation changes significantly. Each post must maintain adequate in-ground depth based on the fence height and jobsite conditions.
What You May Need
Standard Line Horizontal Metal Fence components
Standard Horizontal Metal Fence Hardware Kit
Longer posts, depending on the elevation change
No additional slope-specific hardware is required for a standard stepped installation.
Racked Line Metal Fence Installation
With a racked installation, the Line fence section follows the slope of the ground.
The horizontal metal panels, top edge and bottom edge of the fence are installed at the required angle, while every post remains vertical.
The standard Line Horizontal Metal Fence Hardware Kit can be used without additional slope-specific components. However, the ends of the metal panels must be cut to the required angle so they fit correctly inside the vertical post grooves.
The top 90-degree L-shaped connector must also be adjusted to match the slope. This can be done on site using a suitable tool, such as locking pliers.
The general installation sequence is:
Measure the rise and run of the slope.
Determine the required angle for each fence section.
Install all fence posts vertically.
Cut the ends of the Line metal panels to match the required angle.
Install the bottom hardware at the correct elevation and angle.
Insert the cut metal panels so they follow the slope.
Carefully bend the top L-shaped connector to match the angle.
Install the top panel and confirm that all posts remain vertical.
Accurate measurements and cuts are important. The two ends of each metal panel must match the angle and spacing between the posts.
What You May Need
Standard Line Horizontal Metal Fence components
Standard Horizontal Metal Fence Hardware Kit
A suitable metal-cutting saw and blade
Locking pliers or another suitable tool for adjusting the top connector
Longer posts, if required by the terrain
Additional slope-specific components: None
The Line system can accommodate a range of racked installation angles. The appropriate angle depends on factors such as fence height, section width, consistency of the slope and jobsite conditions.
If the slope is too steep or uneven for a practical racked installation, install the Line fence using the stepped method instead. A stepped Line installation does not require a kickboard or Kickboard Adapter.
Which Metal Fence Installation Method Should You Choose?
The fence system is the first factor to consider.
Metal Fence System | Stepped Installation | Racked Installation |
FireGuard™ Vertical Metal Fence | Recommended | Not currently recommended |
Line™ Horizontal Metal Fence | Supported | Supported |
Choose a stepped installation when:
The slope is steep or uneven
The grade changes significantly between sections
You are installing FireGuard Vertical Metal Fencing
You want each fence section to remain level
A racked installation would require impractical panel angles or cuts
Choose a racked installation when:
You are installing Line Horizontal Metal Fencing
The slope is gradual and consistent
You prefer a continuous line that follows the terrain
The panels can be accurately measured and cut to fit the required angle
Some properties may require a combination of the two methods. For example, a Line fence may be racked across a gradual portion of the yard and stepped where the terrain becomes steeper or less consistent.
The final method should be determined by a qualified installer based on the actual jobsite conditions.
Metal Fence Slope Installation Components
Fence System | Additional Components or Requirements |
FireGuard Vertical | Longer posts may be required; Kickboard Adapters; nominal 2-inch pressure-treated wood |
Line Horizontal Stepped | Longer posts may be required; no slope-specific components |
Line Horizontal Racked | Cut panel ends to the required angle and adjust the top L-shaped connector; no additional components |
Important Installation Considerations
Keep Every Post Vertical
Fence posts must remain vertical in both stepped and racked installations. Do not angle the posts to follow the slope.
Measure the Entire Fence Line
Measure the slope and identify every significant change in elevation. Do not assume the grade remains consistent across the full fence line.
Consider Fence Section Width
The required panel angle is affected by both the slope and the distance between posts. Section width should be considered when deciding whether a Line fence should be stepped or racked.
Maintain Adequate Post Depth
Elevation changes may require longer posts. Each post must maintain the required in-ground depth based on fence height, soil conditions and applicable local requirements.
Use the Correct Cutting Equipment
When cutting Line metal panels for a racked installation, use an appropriate metal-cutting saw and blade. Measure each section carefully before cutting and protect all cut edges as required.
Check Drainage and Soil Conditions
Water flows downhill and may cause erosion or collect around fence posts. Proper grading, drainage and post foundations are important for long-term fence stability.
Follow Local Building Requirements
Fence height limits, setbacks, post foundations and other installation requirements vary by location.
The information in this article describes general Modern Yard product installation options. Local codes and jobsite-specific requirements take precedence.
Plan Your Metal Fence Project
Before ordering materials, prepare a fence drawing showing:
Total fence length
Fence height
Post locations
Fence section widths
Gate locations
Direction of the slope
Changes in elevation
Proposed stepped or racked sections
Send your drawing or sketch to the Modern Yard Service Team for review. A materials takeoff can be prepared based on the selected metal fence system, project layout and slope installation method.
Explore Modern Yard Metal Fence Systems
FireGuard™ Vertical Metal Fence
Line™ Horizontal Metal Fence
Installation Guides
Technical Drawings
Request a Materials Takeoff