Post Anchor Block Explained: Technical Specifications, Performance Insights, and Best Practices

Types of Post Anchor Blocks

A post anchor block is a foundational support system used to secure fence posts, gates, and barriers in both residential and commercial settings. These blocks provide structural stability, prevent post movement, and extend the lifespan of fencing installations. Choosing the right type of post anchor block depends on factors such as security needs, environmental conditions, aesthetics, and durability requirements.

Security Post Anchor Block

Engineered for maximum protection, these anchor blocks are built with reinforced materials like steel or concrete and feature anti-theft mechanisms such as tamper-proof screws or locking systems.

Advantages

• High resistance to forced entry
• Durable and weather-resistant construction
• Integrated anti-theft features
• Ideal for high-security zones

Limitations

• Higher cost compared to standard blocks
• Heavier and more complex to install
• Limited aesthetic flexibility

Best for: Government facilities, restricted access areas, secure perimeters, and sensitive installations

Plastic Post Anchor Block

Made from UV-stabilized PVC or other durable polymers, these lightweight blocks offer an affordable and easy-to-install solution for temporary or low-risk fencing.

Advantages

• Lightweight and easy to handle
• Resistant to rust, rot, and corrosion
• Cost-effective for short-term use
• Safe for playgrounds and recreational areas

Limitations

• Lower structural strength
• Not suitable for high-wind or high-traffic areas
• Limited lifespan under constant stress

Best for: Temporary fencing, playgrounds, parks, event barriers, and low-security residential use

Wood Post Anchor Block

Combining natural beauty with functional support, wood anchor blocks are crafted from treated timber or composite wood materials to resist decay and enhance longevity.

Advantages

• Visually blends with natural landscapes
• Eco-friendly and biodegradable
• Easy to customize or paint
• Ideal for rustic or traditional designs

Limitations

• Requires regular maintenance
• Less durable than concrete or metal
• Vulnerable to moisture and insect damage

Best for: Residential landscaping, countryside homes, garden fences, and heritage-style properties

Heavy-Duty Post Anchor Block

Constructed from reinforced concrete, steel, or composite alloys, these blocks are designed to withstand extreme loads, harsh weather, and high-traffic environments.

Advantages

• Exceptional strength and durability
• Resistant to impact, wind, and seismic forces
• Long service life with minimal maintenance
• Suitable for industrial-scale installations

Limitations

• Bulky and difficult to transport
• Higher installation labor and cost
• May require professional equipment

Best for: Industrial sites, warehouses, shipping docks, highways, and commercial security fencing

Type	Strength	Security	Weather Resistance	Best Application
Security	High	Excellent	Very Good	Secure facilities, restricted zones
Plastic	Low	Fair	Good	Playgrounds, temporary barriers
Wood	Medium	Fair	Medium	Residential landscaping, rustic designs
Heavy-Duty	Excellent	Very Good	Excellent	Industrial sites, high-stress areas

Expert Tip: For optimal performance, always ensure that post anchor blocks are installed on level ground with proper drainage. In high-moisture environments, consider using galvanized or coated fasteners to prevent corrosion and extend system longevity.

Industrial Applications of Post Anchor Block

Post anchor blocks are essential structural components in modern fencing systems, providing a durable and reliable method for securing fence posts without the need for extensive excavation or concrete pouring. These engineered solutions offer superior stability, resistance to environmental stress, and long-term performance across a wide range of industrial sectors. By anchoring posts firmly into the ground, post anchor blocks enhance the integrity, safety, and longevity of perimeter security systems.

Key Industrial Applications

Transportation and Logistics Hubs

Airports, seaports, rail yards, and freight terminals require extensive perimeter fencing to manage access, ensure security, and guide vehicular and pedestrian traffic. In these high-traffic environments, post anchor blocks provide a robust foundation for fencing systems exposed to constant vibration, weather extremes, and mechanical stress.

Made from reinforced concrete or high-density polymer, these anchor blocks resist displacement and maintain alignment even under repeated impact or shifting soil conditions. Their modular design allows for rapid installation and future reconfiguration, making them ideal for dynamic logistics environments where fencing layouts may change over time.

Military and Government Installations

Security is paramount in military bases, defense facilities, and government compounds, where unauthorized access can pose serious risks. Post anchor blocks are used to secure heavy-duty fencing systems such as welded mesh, palisade, or anti-ram barriers, ensuring posts remain immovable under attempted breaches.

Concrete-reinforced anchor blocks are often embedded below ground level and integrated with additional security measures like motion sensors or surveillance systems. Their tamper-resistant design and ability to withstand forced entry attempts make them a critical component in layered security strategies for sensitive or classified zones.

Energy and Utility Sectors

Power plants, substations, water treatment facilities, and oil & gas installations rely on secure perimeters to protect critical infrastructure and prevent accidental or intentional intrusion into hazardous areas. Post anchor blocks support fencing around high-voltage equipment, chemical storage zones, and restricted access points.

These anchors are designed to endure corrosive environments, UV exposure, and temperature fluctuations—common challenges in utility sites. Their non-conductive variants are especially valuable near electrical infrastructure, reducing the risk of grounding faults. By maintaining structural integrity over decades, they contribute to regulatory compliance and operational safety.

Agricultural and Rural Enterprises

In farming and ranching operations, post anchor blocks are used to establish durable boundaries for livestock containment, crop protection, and property demarcation. Unlike traditional buried posts, anchor blocks minimize soil disturbance and can be installed in rocky or uneven terrain where digging is difficult.

They resist rot, pests, and moisture damage—common issues with wooden posts—making them ideal for humid or flood-prone regions. Additionally, their ease of removal and reusability supports rotational grazing systems and temporary enclosures, offering flexibility for modern agricultural practices while reducing long-term maintenance costs.

Commercial and Retail Centers

Shopping complexes, warehouses, and business parks use fencing for perimeter control, parking lot organization, and employee safety. Post anchor blocks secure decorative, safety, and security fencing around outdoor storage areas, delivery zones, and service entrances.

Their clean, low-profile installation preserves landscaping and pavement integrity, making them suitable for aesthetically sensitive environments. In high-visibility areas, anchor blocks can be painted or covered to match architectural elements, blending functionality with design. Their resistance to vehicle impact also enhances safety in busy commercial zones.

Industry	Primary Use	Key Benefits
Transportation & Logistics	Perimeter security, traffic management	Rapid installation, vibration resistance, reconfigurable layouts
Military & Government	High-security access control	Breach resistance, tamper-proof design, integration with surveillance
Energy & Utilities	Infrastructure protection, hazard zone isolation	Corrosion resistance, non-conductive options, long service life
Agriculture & Rural	Livestock control, property demarcation	No digging required, weather durability, reusable
Commercial & Retail	Parking control, safety zoning	Aesthetic integration, pavement-friendly, impact resistant

Why Post Anchor Blocks Are Preferred Across Industries

Durability: Resistant to rot, rust, pests, and weathering, ensuring a lifespan of 25+ years with minimal degradation.

Installation Efficiency: No need for wet concrete or curing time—fences can be erected quickly, reducing labor and downtime.

Environmental Adaptability: Suitable for various soil types, inclines, and climates, including flood-prone or rocky areas.

Maintenance Reduction: Eliminates common failure points like sinking, leaning, or rotting posts, lowering lifecycle costs.

Sustainability: Many anchor blocks are made from recycled materials and are fully recyclable at end-of-life.

Important: While post anchor blocks offer numerous advantages, proper selection based on soil type, fence load, and environmental conditions is crucial. Always consult engineering guidelines or a structural specialist when designing security fencing for high-risk or regulated environments. Using substandard anchors or incorrect installation methods can compromise safety and compliance.

Product Specifications and Features of Post Anchor Blocks

Post anchor blocks are essential structural components used in fencing systems to provide strong, durable, and long-lasting support for fence posts. Whether for residential, commercial, or industrial applications, these blocks enhance stability, security, and longevity of fencing installations. Understanding their technical specifications, key features, installation process, and maintenance requirements ensures optimal performance and safety.

Technical Specifications

• Material: Constructed from high-strength concrete, galvanized or powder-coated steel, or UV-resistant polypropylene plastic. Each material offers unique advantages: concrete for maximum weight and stability, metal for structural rigidity, and plastic for corrosion resistance and lightweight handling.
• Dimensions: Available in standard sizes such as 4×4 inches, 5×5 inches, and 6×6 inches to accommodate common post dimensions. Custom molds can be produced for non-standard posts or specialized applications.
• Weight: Ranges from lightweight (10–15 lbs) plastic models ideal for temporary fencing, to heavy-duty concrete blocks weighing 100–200+ lbs designed for permanent, high-security installations.
• Installation Method: Most feature a snap-on, bolt-down, or set-in-concrete design. Snap-on types allow tool-free assembly for quick deployment, while bolted or poured-in-place options offer superior resistance to uplift and lateral forces.
• Post Compatibility: Designed to fit round, square, or rectangular posts (typically 2", 4", or 6" in diameter/width). Many models include adjustable brackets or inserts for versatile use across multiple post types.

Note: Always verify compatibility with post size and material before purchase to ensure a secure fit.

Key Features and Benefits

• Enhanced Stability & Support: Anchor blocks prevent post movement caused by wind, soil erosion, or impact. By distributing load and resisting lateral forces, they significantly reduce the risk of fence collapse—especially critical in coastal or high-wind regions.
• Security Reinforcement: In restricted-access zones (e.g., construction sites, military bases, or correctional facilities), tamper-resistant anchor blocks deter unauthorized removal. Heavy concrete or bolted metal versions are nearly impossible to dislodge without specialized equipment.
• Exceptional Durability: Engineered to withstand extreme weather, including freezing temperatures, heavy rainfall, and UV exposure. Concrete resists cracking when properly cured; metal blocks are often galvanized or coated to prevent rust; plastic resists degradation and impact.
• Versatile Applications: Used across diverse sectors—from agricultural fencing and residential privacy screens to commercial perimeter security and temporary crowd control barriers. Suitable for wood, vinyl, metal, and composite fencing systems.
• Low Maintenance: Once installed, most post anchor blocks require minimal upkeep. Their robust construction ensures long-term reliability with no need for regular adjustments or replacements under normal conditions.

Pro Insight: Choosing the right material and weight class based on environment and use case dramatically improves fence lifespan and reduces repair costs.

Detailed Installation Guide

Proper installation is crucial for maximizing the effectiveness of post anchor blocks. Follow these steps for a secure and lasting setup:

1. Site Preparation: Clear the installation area of debris, vegetation, and loose soil to create a stable base and ensure proper alignment.
2. Dig Post Hole: Use a posthole digger or power auger to excavate a hole to a depth of at least one-third the height of the post (e.g., 24–36 inches for a 6–8 ft post). The hole diameter should accommodate the anchor block with room for concrete or backfill.
3. Mix and Pour Base Layer: Prepare ready-mix concrete according to manufacturer instructions. Pour a 2–4 inch layer at the bottom of the hole to create a level, stable foundation and prevent moisture from wicking up into wooden posts.
4. Position Anchor Block and Post: Place the post anchor block in the center of the hole. Insert the fence post into the block, ensuring it is plumb and aligned with the fence line.
5. Reinforce with Concrete: Fill the space around the block and post with concrete, leaving a slight slope at the top to shed water. For added strength, include rebar or a ground spike if required.
6. Level and Align: Use a spirit level to ensure the post is perfectly vertical and straight along the fence line. Adjust as needed before the concrete begins to set.
7. Curing and Finalization: Allow the concrete to cure for at least 24–48 hours (longer in cold or humid conditions) before attaching rails, panels, or tensioning wires.

Expert Tip: For removable installations, consider using ground sleeves with anchor blocks—this allows posts to be inserted and removed seasonally without disturbing the foundation.

Maintenance & Repair Guidelines

While post anchor blocks are built to last, routine inspection and minor maintenance help extend their service life and maintain structural integrity:

• Regular Inspection: Check posts and blocks annually for signs of rot (in wooden posts), rust (on metal components), or cracking (in concrete). Early detection prevents costly failures.
• Weed and Vegetation Control: Keep the area around the base clear of overgrowth. Roots and moisture retention from plants can accelerate deterioration and destabilize the foundation.
• Concrete Crack Repair: Inspect for hairline cracks or spalling. Seal minor cracks with hydraulic cement; replace severely damaged blocks to avoid structural compromise.
• Wood Treatment: For wooden posts set in anchor blocks, apply water-repellent sealers or preservatives every 1–2 years to protect against rot and insect damage.
• Fastener Maintenance: Periodically inspect bolts, nuts, and brackets on metal anchor blocks. Tighten loose hardware and replace corroded parts to maintain clamping force.
• Timely Replacement: If an anchor block shows significant wear, cracking, or instability, replace it immediately. Use the same or upgraded model to maintain uniform fence strength.

Best Practice: Implement a seasonal maintenance checklist for commercial or large-scale fencing to ensure ongoing safety and compliance.

Application Type	Recommended Material	Average Weight	Lifespan	Maintenance Level
Residential Privacy Fence	Concrete or Heavy-Duty Plastic	25–50 lbs	15–25 years	Low
Commercial Perimeter Security	Galvanized Steel or Reinforced Concrete	75–150 lbs	20+ years	Medium
Agricultural/Wire Fencing	UV-Resistant Plastic or Light Metal	10–20 lbs	10–15 years	Low
Industrial/High-Security Zones	Heavy Concrete with Bolt-Down Design	150–250+ lbs	25+ years	Low-Medium

Professional Recommendation: For most standard installations, concrete post anchor blocks offer the best balance of strength, durability, and cost-effectiveness. In corrosive environments (e.g., coastal areas), consider plastic or galvanized metal alternatives to avoid rust. Always follow local building codes and soil conditions when determining depth and reinforcement requirements. When in doubt, consult an engineering guideline or fencing specialist to ensure structural compliance.

Post Anchor Block Quality and Safety Considerations

Post anchor blocks are essential structural components in fencing, decking, and architectural installations, providing secure support for vertical posts. The quality and safety of these blocks directly impact the longevity, stability, and safety of the entire structure. This guide explores critical quality standards and safety practices for selecting, installing, and maintaining post anchor blocks across residential, commercial, and industrial applications.

Safety Warning: Always follow manufacturer guidelines and local building codes when installing post anchor blocks. Improper installation or substandard materials can lead to structural failure, posing serious risks of injury or property damage. Use appropriate personal protective equipment (PPE) during handling and installation.

Quality Considerations

• Material Quality

  The choice of material significantly influences the performance, durability, and suitability of post anchor blocks for specific environments and load requirements.

  • Concrete Blocks: Ideal for heavy-duty applications such as commercial fencing, retaining walls, and security barriers. High-grade concrete with a compressive strength of at least 4,000 psi ensures superior load-bearing capacity and resistance to cracking under stress. Reinforced concrete with steel rebar offers additional structural integrity.
  • Metal Blocks: Typically fabricated from galvanized steel or stainless steel alloys to resist corrosion, especially in outdoor or coastal environments. Galvanization provides a protective zinc coating that prevents rust and extends service life. Look for ASTM A153 or A653 compliance for galvanized steel components.
  • Plastic Blocks: Made from high-density polyethylene (HDPE) or PVC, these are lightweight and resistant to moisture and rot. They are best suited for light-duty applications like decorative fencing or temporary structures. HDPE offers excellent impact resistance and UV stability, making it suitable for prolonged sun exposure.
  • Wooden Blocks: Constructed from pressure-treated timber that resists decay, fungal growth, and insect infestation. Treatments such as ACQ (Alkaline Copper Quaternary) or CA-B (Copper Azole) enhance durability. Ensure wood meets AWPA U1 standards for ground contact use.
• Workmanship and Manufacturing Standards

  Precision in manufacturing ensures consistent performance and compatibility with installation systems. Poor craftsmanship can create weak points that compromise structural reliability.

  • Look for products manufactured under recognized quality management systems such as ISO 9001, which ensures adherence to strict production controls and quality assurance protocols.
  • For metal anchor blocks, inspect weld seams for uniformity, penetration, and absence of cracks or porosity. Poor welding can lead to joint failure under lateral or vertical loads.
  • Edges and mounting holes should be precisely machined to ensure proper alignment and ease of assembly. Misaligned or rough-edged components may cause stress concentrations or improper post seating.
  • Surface finishes should be smooth and free from burrs, sharp edges, or corrosion—especially in metal and plastic variants.
• Performance Testing and Certification

  Reliable post anchor blocks undergo rigorous testing to validate their performance under real-world conditions.

  • Load-bearing capacity tests measure how much vertical (axial) and lateral (horizontal) force the block can withstand before deformation or failure. Industrial-grade blocks should support loads exceeding 5,000 lbs depending on application.
  • Environmental resistance testing includes exposure to freeze-thaw cycles, UV radiation, salt spray (for coastal areas), and extreme temperatures to assess long-term durability.
  • Independent certification from third-party laboratories (e.g., UL, Intertek, or CSA) adds credibility and confirms compliance with industry standards such as ASTM E488 for concrete anchors or AISC for structural steel.
  • Installation ease is also evaluated—features like pre-drilled holes, alignment guides, or integrated leveling systems improve efficiency and reduce on-site errors.

Safety Considerations

• Safe Installation Guidelines

  Proper installation is crucial to prevent accidents during construction and ensure long-term safety of the structure.

  • Always wear appropriate personal protective equipment (PPE), including cut-resistant gloves, ANSI-approved safety goggles, and steel-toed boots, especially when handling heavy blocks or using power tools.
  • Use mechanical lifting aids (e.g., hoists or dollies) when moving concrete or steel blocks weighing over 50 lbs to prevent musculoskeletal injuries.
  • When using drills, saws, or grinders, ensure tools are in good working condition, grounded (if electric), and operated according to manufacturer instructions.
  • Secure ladders, scaffolds, and other elevated work platforms to prevent tipping. Never work alone when handling large or awkward components.
  • Follow a step-by-step installation checklist to avoid missed steps such as improper leveling, inadequate fastening, or incorrect concrete curing times.
• Stability Checks and Ongoing Maintenance

  Even the highest-quality anchor blocks can become hazardous if not properly maintained or monitored over time.

  • Conduct regular visual inspections for signs of movement, cracking, corrosion, or loosening of fasteners. Pay special attention after extreme weather events like storms or earthquakes.
  • Check for post wobble or leaning, which may indicate foundation settlement, soil erosion, or internal damage to the anchor block.
  • In high-traffic or public areas, implement a scheduled maintenance program (e.g., quarterly checks) to proactively identify and correct issues.
  • Ensure all anchor bolts are torqued to manufacturer specifications and secured with lock nuts or thread-locking compounds where necessary.
  • Before allowing personnel or the public near newly installed fencing, verify that all blocks are fully set, cured (for concrete), and structurally sound.
• Tamper and Vandal Resistance

  In security-sensitive or high-risk environments, post anchor blocks must deter unauthorized removal or sabotage.

  • Use tamper-resistant hardware such as one-way screws, security bolts, or welded joints that require specialized tools for disassembly.
  • Opt for embedded or recessed designs that conceal fasteners and make access difficult.
  • In high-security applications (e.g., perimeter fencing for government facilities or industrial sites), consider concrete-filled steel anchor blocks or those with anti-lift features.
  • Install surveillance or alarm systems in conjunction with physical anchors to detect tampering attempts.
  • Regular inspections help detect early signs of forced entry, such as tool marks, bent bolts, or displaced blocks, enabling prompt response and mitigation.

Factor	High-Quality Indicators	Risks of Poor Quality	Recommended Verification
Material	Galvanized steel, HDPE, pressure-treated wood, high-strength concrete	Corrosion, rot, cracking, premature failure	Material certifications, ASTM compliance
Manufacturing	ISO-certified production, clean welds, precise dimensions	Structural weakness, misalignment, installation errors	Visual inspection, quality control documentation
Performance	Third-party load testing, weather resistance data	Failure under wind load or seismic stress	Test reports, engineering stamps
Safety Features	Tamper-proof fasteners, PPE compatibility, stability design	Injury risk, unauthorized access, collapse	Installation audits, maintenance logs

Expert Tip: When selecting post anchor blocks, prioritize long-term value over initial cost. Investing in high-quality, certified products reduces lifecycle costs by minimizing repairs, replacements, and liability risks. Always consult a structural engineer for critical applications such as wind-exposed fences, elevated decks, or security perimeters.

Additional Best Practices

• Store anchor blocks in a dry, level area to prevent warping, moisture absorption, or damage during transport and storage.
• Match the anchor block type to the post material (e.g., wood, metal, composite) to avoid galvanic corrosion or incompatibility.
• Use concrete anchors rated for "cracked concrete" if installing in existing slabs prone to movement.
• Document installation dates, inspection results, and maintenance activities for compliance and liability protection.
• Train installation crews on proper techniques and safety procedures to ensure consistency and reduce human error.

Selecting and installing high-quality post anchor blocks is not just about structural integrity—it's a fundamental aspect of public and worker safety. By adhering to rigorous quality standards and implementing comprehensive safety protocols, you ensure that your fencing or support system remains reliable, durable, and secure for years to come. When in doubt, always consult with a qualified engineer or building inspector before finalizing your design or installation plan.

Frequently Asked Questions About Post Anchor Blocks

Q1: What is the main purpose of a post anchor block?

A1: The primary purpose of a post anchor block is to provide structural stability and long-term security for fence installations. By securely anchoring fence posts into the ground, these blocks help prevent shifting, leaning, or collapsing due to environmental forces such as wind, soil erosion, or ground movement. They are especially useful in maintaining perimeter integrity, helping to keep unauthorized individuals or animals out of secured areas. Unlike traditional methods that rely solely on buried posts, anchor blocks distribute weight and pressure more evenly, significantly enhancing the durability and safety of the fence system.

Q2: What are post anchor blocks made of, and why do they last long?

A2: Post anchor blocks are typically constructed from durable, weather-resistant materials such as:

• Concrete: Offers excellent strength and resistance to compression; ideal for heavy-duty fencing and permanent installations.
• Galvanized or Powder-Coated Steel: Provides high tensile strength and corrosion resistance, making it suitable for both residential and commercial applications.
• High-Density Polyethylene (HDPE) or Reinforced Plastic: Lightweight yet robust, these materials resist rot, rust, and UV degradation, making them perfect for moist or coastal environments.

Their longevity stems from their ability to withstand harsh weather conditions—including rain, snow, freeze-thaw cycles, and prolonged sun exposure—without deteriorating. Unlike wood or untreated metal, these materials do not warp, rot, or corrode easily, ensuring that the anchor block maintains its structural integrity for many years with minimal maintenance.

Q3: How does one determine what size to use when buying a post anchor block?

A3: Selecting the correct size of post anchor block is crucial for optimal performance and safety. Consider the following factors:

• Fence Post Dimensions: Match the block’s internal cavity to the width and thickness of your fence post (e.g., 4"x4", 6"x6", or round posts).
• Fence Type and Height: Taller or heavier fences (like privacy or security fences) require larger, deeper anchor blocks to resist tipping forces.
• Soil Conditions: Soft or sandy soils may necessitate wider or deeper anchor blocks to ensure stability.
• Local Climate: Areas with high wind or frequent storms benefit from oversized or reinforced blocks.

Manufacturers often provide sizing charts based on post size and fence height. When in doubt, choosing a slightly larger or more robust block than the minimum requirement can extend the life of your fence and reduce future maintenance needs.

Q4: How does one install a post anchor block correctly?

A4: Proper installation ensures maximum effectiveness and longevity. Follow these recommended steps:

1. Dig a Hole: Excavate a hole deep enough to accommodate the anchor block (typically 18–24 inches deep, depending on frost line and fence height).
2. Position the Block: Place the anchor block in the hole, ensuring it is level and aligned with the planned fence line.
3. Insert the Post: Slide the fence post into the anchor block, checking that it is plumb (perfectly vertical) using a level.
4. Secure with Concrete: Pour ready-mix concrete around the block and base of the post, filling all gaps to eliminate movement. Tamp down to remove air pockets.
5. Cure Properly: Allow the concrete to cure for at least 24–48 hours (longer in cold or humid conditions) before applying any tension or attaching fence panels.

Tip: For removable or adjustable setups, some anchor blocks are designed to be surface-mounted or secured with ground screws, eliminating the need for concrete in temporary or rental situations.

Q5: How does one take care of post anchor blocks?

A5: Routine maintenance helps extend the life of post anchor blocks and ensures continued fence stability. Recommended care includes:

• Regular Inspections: Check every 6–12 months for signs of cracking (in concrete), rust (on metal), or deformation.
• Timely Repairs: Address minor rust with touch-up paint or replace damaged blocks before they compromise the fence.
• Keep Area Clean: Remove weeds, grass, and debris around the base to prevent moisture buildup and allow for easier inspection.
• Monitor for Movement: If a post begins to lean or wobble, inspect the anchor and surrounding concrete for settling or erosion.

With proper installation and minimal upkeep, most post anchor blocks can last 15–25 years or more, making them a cost-effective solution for long-term fencing projects.