Building a fence on flat ground? Easy. Building one on a slope in North Carolina? Now that’s where the real challenge begins.
In the rolling hills of Holly Springs and Raleigh, homeowners love the elevated views — but those same slopes can wreak havoc on fences. Rainwater races downhill. Clay soil shifts. Erosion slowly eats away at the ground beneath your posts.
At Big Jerry’s Fencing, we’ve seen it all, and fixed it all. Here’s what every homeowner should know before installing a fence on a slope or hillside.
Understanding the Local Terrain
Holly Springs and Raleigh sit on a mix of red clay and sandy loam soil. Both are prone to movement after heavy rainfall. The City of Raleigh’s Stormwater Department warns that runoff from new construction or cleared land can cause serious slope erosion if not managed correctly.
That’s why fence building here isn’t just about looks. It’s about engineering — protecting your investment from the forces of water and gravity.
Why Does Erosion Matter for Your Fence?
Erosion may look harmless; just a little soil washed away after a storm. But over time, it’s the silent killer of fences.
When soil around posts weakens:
- Fence posts begin to tilt.
- Concrete footings loosen.
- Panels start to sag or separate.
- Drainage paths form under the fence, washing away more soil.
A leaning fence isn’t just an eyesore; it’s a safety and structural issue. And in hilly neighborhoods like Sunset Ridge in Holly Springs or North Raleigh’s wooded areas, the risk is even higher.
Slope Installation Mistakes to Avoid
Too often, we’re called to repair fences that were installed without slope awareness. Here are the most common mistakes:
- Posts set too shallow. On sloped land, posts must be deeper — at least one-third of the post length should be buried.
- Ignoring drainage flow. Water running downhill needs a path. Blocking it with a solid fence traps moisture and causes rot or washouts.
- Using the wrong design. A “stepped” fence may look sharp but can leave gaps at the base. A “racked” fence follows the slope smoothly and holds soil better.
- Skipping ground cover. Bare soil invites erosion. Once the fence is in, replant grass or use erosion-control mats.
Smart Engineering for Sloped Properties
Installing a fence on a slope isn’t guesswork — it’s strategy. Here’s how our team approaches it:
Follow the Contour, Not the Shortcut
Instead of cutting straight across the hill, we align sections along the natural contour. This prevents water from collecting at the base and reduces soil loss.
Deep-Set and Reinforced Posts
Every post on a slope faces more stress. We dig deeper footings and reinforce them with gravel or concrete designed for wet soils.
Add Retaining Support
On steep slopes, we integrate small retaining edges or terraces. These act as barriers, keeping soil where it belongs and protecting the fence base.
Stabilize the Ground
After installation, we use mulch, sod, or native plants like switchgrass or creeping juniper. Their roots help anchor the slope and prevent future erosion.
Fence Types That Work Best on Slopes
Not all fences perform equally on a hill. Some handle movement and moisture better than others.
Aluminum Fences
Lightweight, rust-resistant, and perfect for racking along slopes. Popular in Raleigh for hilly backyards and pool enclosures.
Vinyl Fences
Great for gentle slopes. With flexible panels, vinyl fences handle minor soil shifts without cracking.
Wood Fences
Classic and strong — but require pressure-treated posts and sealant to resist moisture.
Chain Link Fences
A smart, low-maintenance choice for sloped terrain. Allows water flow and limits erosion buildup.
Each option has its strengths, and we tailor the design based on your yard’s grade and soil stability.
Weather-Proofing Against Carolina Storms
In the Triangle, one summer thunderstorm can deliver inches of rain in minutes. That’s enough to wash away topsoil and tilt fence lines overnight.
We combat this by:
- Installing gravel trenches or French drains near fence bases.
- Using weatherproof coatings on wooden posts.
- Applying slope-specific concrete mixes that resist cracking.
- Checking grade lines to prevent puddling or ponding.
Each solution is small but powerful — together, they keep your fence standing tall.
Keeping Your Fence Strong Year After Year
Once your fence is installed, a little care goes a long way:
- Inspect after heavy rains.
- Look for leaning posts or exposed roots.
- Add mulch or rock beds to areas losing soil.
- Trim back plants that trap water against posts.
- A quick seasonal check can prevent a costly rebuild.
While slopes in Holly Springs and Raleigh are beautiful, they demand respect. When it comes to fences, the real enemy isn’t just time; it’s erosion. At Big Jerry’s Fencing, we design every hillside fence with nature in mind. We consider water flow, soil movement, and strength from the ground up. Because a great fence isn’t built to stand on the land — it’s built to work with it!
Setting the Standard for Quality Fences in Holly Springs & Raleigh: The Big Jerry’s Difference
Proven Local Legacy
As a proudly local company serving Durham, NC, Big Jerry’s Fencing has built a reputation rooted in trust. Homeowners consistently praise their professionalism, quick response times, and commitment to finishing every project on schedule.
Superior Materials & Expert Craftsmanship
Every fence is built to last, from fade-resistant vinyl and solid wood installations to low-maintenance aluminum structures. Their team pays attention to every detail, using galvanized ring-shank nails for added durability and strength.
Precision-Engineered Installation
Big Jerry’s follows a structured, engineered installation process “the Big Jerry’s way.” This method ensures accuracy in every measurement, from post spacing to gate fabrication, even on sloped or uneven terrain.
Affordable Quality & Flexible Options
By minimizing overhead costs, Big Jerry’s keeps pricing competitive without compromising quality. Customers also enjoy financing options and lifetime warranties on vinyl and aluminum fences for long-term peace of mind.
Customer-First Experience
From free estimates and design sketches to post-installation check-ins, Big Jerry’s delivers transparent communication every step of the way ensuring clients feel confident, informed, and satisfied.
Fast Work, Done Right
Big Jerry’s teams work efficiently so your new fence is up before you know it — often within a single day, depending on material type and layout.
Designs for Every Dream Yard
Whether you picture a rustic wooden boundary, a polished aluminum accent, or a modern vinyl look — they bring your vision to life.
Built by Locals, for Locals
The crews live and work in the Triangle area, which means they understand local building codes, soil conditions, and neighborhood styles.
Personalized Planning Help
Choosing a fence shouldn’t be confusing. Their design consultants walk you through options until you find the perfect fit.
Smooth Approvals & Paperwork
Big Jerry’s helps handle HOA forms and local permits so you don’t have to worry about delays.
Eco-Friendly Thinking
By using sustainable materials and recyclable metals, Big Jerry’s ensures every fence is as responsible as it is reliable.
Expertise Across Every Property Type
From cozy backyard enclosures to expansive commercial perimeters, Big Jerry’s Fencing delivers reliable workmanship and scale. Their teams are equipped to manage projects of all sizes with precision and care.
Streamlined Scheduling You Can Count On
Their advanced scheduling system keeps crews and materials aligned, ensuring smooth progress even during high-demand seasons.
Reputation Built on Trust
Earning hundreds of 5-star reviews across Google and Yelp, Big Jerry’s is recognized throughout North Carolina for professionalism, transparency, and exceptional results.
Uncompromising Safety Standards
Every project is executed with OSHA-compliant procedures — maintaining safe work environments and protecting both property and people.
Smart Digital Estimating Tools
Homeowners can access quick, accurate quotes through Big Jerry’s online “Instant Fence Quote Tool,” simplifying the planning process from the very start.
Built to Weather the Elements
Engineered for North Carolina’s changing climate, each fence features rust-resistant hardware, deep-set posts, and weatherproof finishes that extend durability.
Clean, Careful Installation
Their crews take pride in leaving every site spotless — safeguarding lawns, plants, and property lines throughout the installation process.
Custom Gates & Elegant Entryways
Big Jerry’s goes beyond fencing — crafting custom gates, ornamental entryways, and advanced access control systems that blend security with sophistication. Every design adds a personalized touch that complements your property’s overall appeal.
Fully Licensed, Fully Covered
Their crews are licensed, insured, and background-checked professionals. Homeowners can relax knowing every project is handled by qualified experts who value safety, reliability, and accountability.
Precision on Sloped Terrain
Big Jerry’s crews specialize in hillside installations where precision matters most. They expertly contour fences to the natural grade, preventing gaps and ensuring both stability and visual alignment across uneven ground.
Engineered for Stability
Hillside fences face gravity and erosion – that’s why Big Jerry’s uses reinforced posts, deeper footing, and step-down or racked installation techniques to guarantee long-term durability and structural balance.
Custom Slope Design Solutions
No two slopes are alike. Their team custom-designs each layout to match the property’s unique incline, using advanced measuring tools to create seamless transitions and a clean, professional finish.
Drainage & Soil Expertise
They understand how water flow and soil composition affect hillside fencing. Proper drainage planning and erosion control measures are integrated to protect your fence and property from washouts or shifting ground.
Aesthetic Consistency on Challenging Landscapes
Even on steep or uneven land, Big Jerry’s ensures fences maintain aesthetic harmony, blending strength, symmetry, and style so your fence looks intentional, not improvised.






