Understanding Storm Damage Risks in Western North Carolina
Before selecting a fencing material, it's important to understand the specific weather challenges in our region:
1. Wind Damage
The mountains of Western North Carolina create unique wind patterns that can be particularly challenging for fencing. Wind doesn't just blow against your fence—it creates pressure differentials on either side that can quite literally pull a fence apart or push it over entirely.
Wind damage typically occurs when:
- Strong gusts hit solid privacy fences, creating a sail effect
- Aging or improperly installed posts give way under pressure
- Connections between fence components fail
- Sustained high winds gradually work fasteners loose
2. Water and Flooding Issues
Our region's rainfall patterns can create significant challenges for fencing materials. According to recent weather data, Western North Carolina can receive over 40 inches of rain annually, with storm systems that sometimes dump several inches in just a few hours.
Water impacts fencing through:
- Soil erosion around posts, weakening structural integrity
- Wood rot and metal corrosion
- Warping and swelling of certain materials
- Ground shifting as soil becomes saturated
3. Falling Debris
Mountain properties often contend with tree branches and other debris that can impact fences during storms. Even a single falling branch can cause significant damage if your fence isn't built to withstand impact.
4. Ground Saturation
After heavy rains, our mountain soil becomes saturated, which can reduce its ability to support fence posts. This is a particular concern for properties on slopes or in areas with clay-heavy soil.
Top Storm-Resistant Fencing Materials
Based on decades of experience installing and repairing fences throughout Western North Carolina, we've identified several materials that offer superior performance in storm-prone areas.
1. Aluminum Ornamental Fencing
Aluminum ornamental fencing has become increasingly popular for properties in storm-prone areas, and for good reason.
Advantages for storm resistance:
- Lightweight yet strong construction reduces wind resistance
- Will not rust or corrode when exposed to moisture
- Individual pickets allow wind to pass through, reducing pressure
- Doesn't rot, warp, or deteriorate in wet conditions
Aluminum fencing works particularly well for properties where aesthetics are important but storm resistance is a must. Its elegant appearance complements both traditional and modern architecture while providing excellent durability.
One of our recent installations in the Blue Ridge area has withstood multiple severe thunderstorms without any damage, despite being in an exposed location that receives significant wind.
2. Vinyl/PVC Fencing
Vinyl fencing offers several advantages in storm-prone areas, particularly for homeowners seeking low-maintenance options with good weather resistance.
Advantages for storm resistance:
- Flexible material that can bend in high winds without breaking
- Impervious to water damage, rot, and insects
- Available in styles that allow partial wind passage
- No rusting or corroding components
- Can be reinforced with aluminum inserts for additional strength
Modern vinyl fencing is engineered specifically to withstand harsh weather conditions. Unlike older PVC products, today's vinyl fencing is manufactured with UV inhibitors and impact modifiers that significantly improve durability and longevity.
The installation method for vinyl fencing is particularly important in our region. Posts must be set deeper than standard recommendations to account for ground saturation during heavy rainfall.
3. Chain Link Fencing
While perhaps not always the most aesthetically pleasing option, chain link fencing offers exceptional storm resistance for a reasonable price.
Advantages for storm resistance:
- Open design allows wind to pass through freely
- Galvanized or vinyl-coated options resist rust and corrosion
- Extremely difficult to knock down in high winds
- Minimal debris catching compared to solid fencing
- Easily repaired if damaged
- Cost-effective for large properties
Chain link is particularly suitable for large properties where the cost of other materials might be prohibitive. It's also an excellent choice for areas primarily concerned with security and boundary definition rather than privacy.
For homeowners concerned about the appearance, vinyl-coated chain link in black or green can blend surprisingly well with landscaping. Some of our clients have combined chain link with strategic landscaping to create attractive, storm-resistant boundaries.
4. Modified Wood Options
Traditional wood fencing, while beautiful, typically doesn't fare well in storm-prone areas without significant modifications. However, there are wood fencing options that can be adapted for better storm resistance.
Storm-resistant wood fence designs:
- Split rail fencing with wire backing (allows wind passage while maintaining security)
- Board on board fencing with slight gaps (reduces wind resistance)
- Shadow box designs (provides some privacy while allowing wind flow)
- Pressure-treated pine or cedar (naturally more resistant to moisture)
Wood fences can be made more storm-resistant through:
- Deeper post setting (at least 1/3 of the fence height)
- Concrete footings for all posts
- Galvanized or stainless steel hardware
- Regular sealing and maintenance
- Properly sized posts (6"x6" for tall fences in windy areas)
While requiring more maintenance than other options, wood fencing offers warmth and natural beauty that many homeowners prefer. With proper installation techniques and regular maintenance, wood fencing can withstand significant weather challenges.
5. Steel Options
For maximum durability in extreme conditions, steel fencing offers unparalleled strength.
Advantages for storm resistance:
- Superior strength-to-weight ratio
- Excellent resistance to impacts from debris
- Various designs from ornamental to industrial
- Long-term durability with proper finishing
Steel fencing requires proper finishing to prevent rust and corrosion in our humid climate. Powder-coated or galvanized steel provides the best protection against the elements while maintaining structural integrity.
Although typically more expensive than other options, steel fencing often proves cost-effective over time due to its exceptional durability and minimal maintenance requirements.
Read our blog post, How to Prepare Your Fence for Severe Weather.
Installation Considerations for Storm Resistance
Even the most durable fencing material can fail during storms if improperly installed. Here are critical installation considerations for storm-prone areas:
1. Post Depth and Anchoring
Perhaps the most important factor in storm resistance is proper post installation:
- Posts should be set at a depth of at least 1/3 of the above-ground height (deeper for particularly windy areas)
- Use concrete footings that extend below the frost line (typically 12-18 inches in our region)
- Consider bell-shaped footings that widen at the bottom for increased stability
- Ensure proper concrete mixing and curing for maximum strength
- Add drainage gravel beneath posts to prevent water accumulation
2. Spacing and Design Elements
The structural design of your fence plays a crucial role in its storm resistance:
- For solid privacy fences, consider designs with small gaps or decorative elements that allow some wind to pass through
- Space posts closer together in areas with high wind exposure (6 feet or less between posts)
- Add additional bracing for corner posts and gates
- Use stronger rails and secure connections for fence sections
- Install gate hardware designed for heavy use and wind stress
3. Professional vs. DIY Considerations
While DIY fence installation may be tempting, professional installation provides significant advantages in storm-prone areas:
- Expert knowledge of local soil conditions and drainage patterns
- Access to commercial-grade materials and hardware
- Proper tools for deep post setting and alignment
- Understanding of building codes and wind load requirements
- Experience with terrain-specific challenges common in mountain properties
Professional installation often proves more economical in the long run, particularly when considering the cost of repairs or replacement after storm damage.
Read more on Storm Resisting Fencing in Western North Carolina in our blog post.
Maintenance Tips for Storm-Prone Fences
Regular maintenance is essential for ensuring your fence remains storm-ready year after year.
1. Seasonal Inspection Guidelines
We recommend inspecting your fence thoroughly at least twice a year, ideally in spring and fall:
Spring inspection checklist:
- Check for winter damage and make repairs before spring storms
- Examine posts for shifting or leaning
- Tighten any loose hardware
- Look for signs of rot or corrosion
- Clear any winter debris away from the fence line
Fall inspection checklist:
- Secure any loose components before winter
- Clear gutters and drainage paths to prevent water accumulation near fence posts
- Trim overhanging branches that could fall during winter storms
- Apply sealant to wood fencing if needed
- Check gate operation and alignment
2. Preventative Care Recommendations
Ongoing maintenance significantly extends fence life in storm-prone areas:
- Keep vegetation trimmed away from fencing materials
- Clean fencing regularly to prevent buildup of debris and moisture
- Apply appropriate protective coatings to wood fencing
- Address small issues promptly before they become major problems
- Consider removing temporary sections in advance of extreme weather events
3. Post-Storm Assessment
After significant weather events, take time to properly assess your fence:
- Walk the entire fence line looking for damage
- Check for leaning posts or sections
- Test gates for proper operation
- Look for loose hardware or connections
- Document any damage with photos for insurance purposes
- Address repairs promptly to prevent further deterioration
Making the Right Choice for Your Property
When selecting storm-resistant fencing for your Western North Carolina property, consider these factors:
- Your property's specific exposure to wind, water, and debris
- The primary function of your fence (privacy, security, decoration, etc.)
- Your aesthetic preferences and property style
- Long-term maintenance commitments
- Budget considerations, including initial cost and ongoing maintenance
For many property owners in our region, the ideal solution often combines different fencing materials for different areas. For example, you might choose aluminum ornamental fencing for front yards and more exposed areas, with vinyl or modified wood options for backyard privacy.
Conclusion
Investing in storm-resistant fencing is a wise decision for any property owner in Western North Carolina. The right materials and proper installation can provide decades of service, even in our challenging mountain weather conditions.
At Asheville Fence, we've been helping property owners throughout the region select and install durable, attractive fencing since the 1970s. Our experience with local conditions and deep knowledge of fencing materials allows us to recommend solutions perfectly suited to your specific property challenges.
Contact Asheville Fence today through our online form or at (828) 665-8900 to discuss your storm-resistant fencing needs, or visit our showroom at 1270 Smoky Park Highway in Candler to see material samples in person.