Guide 8 min read

How to Repair Common Plastic Fencing Problems: A DIY Guide

How to Repair Common Plastic Fencing Problems

Plastic fencing offers a fantastic blend of durability, aesthetics, and low maintenance, making it a popular choice for Australian properties. However, like any outdoor structure, plastic fences can experience wear and tear over time. From minor scratches to more significant cracks, understanding how to address these issues is crucial for maintaining the integrity and appearance of your fence. This guide will walk you through common plastic fencing problems and provide step-by-step instructions on how to repair them, saving you money on professional repairs and extending the life of your fence.

Why Choose Plastic Fencing?

Before diving into repairs, it's worth understanding why plastic fencing is so popular. Its resistance to rot, insects, and the elements makes it a long-lasting alternative to traditional wood fencing. Plastic fencing also requires minimal upkeep, typically just needing an occasional wash to keep it looking pristine. Plus, it comes in various styles and colours to complement any property.

1. Identifying Common Plastic Fencing Issues

Before you can start repairing your plastic fence, you need to accurately identify the problem. Here are some of the most common issues you might encounter:

Cracks: These can range from hairline fractures to larger, more noticeable breaks. Cracks often occur due to impact or stress from extreme weather conditions.
Holes: Holes can be caused by accidents, such as falling branches or impacts from vehicles or lawnmowers. They can compromise the structural integrity of the fence.
Dents: Dents are usually cosmetic but can be unsightly. They are often caused by minor impacts.
Scratches: Scratches are surface-level imperfections that can dull the appearance of the fence. They are typically caused by contact with abrasive materials.
Loose Panels: Panels can become loose due to weakened fasteners or ground movement affecting the posts.
Loose Posts: If the fence posts are wobbly or leaning, it indicates a problem with the post's foundation or damage to the post itself.
Fading or Discolouration: Over time, exposure to the sun can cause plastic fencing to fade or discolour. While not a structural issue, it can affect the overall appearance.

Once you've identified the problem, you can move on to the appropriate repair method.

2. Repairing Cracks and Holes

Repairing cracks and holes in plastic fencing requires a bit more effort than fixing dents or scratches. Here's a step-by-step guide:

Materials You'll Need:

Plastic cleaner
Sandpaper (various grits, from coarse to fine)
Plastic filler or epoxy designed for plastics
Putty knife or applicator
Colour-matching paint (optional, for cosmetic finish)
Safety glasses and gloves

Steps:


  • Clean the Area: Thoroughly clean the area around the crack or hole with a plastic cleaner to remove any dirt, debris, or grease. This will ensure proper adhesion of the filler.

  • Prepare the Surface: Use sandpaper to roughen the edges of the crack or hole. This will create a better surface for the filler to bond to. Start with a coarser grit and gradually move to a finer grit to smooth the edges.

  • Apply the Filler: Apply the plastic filler or epoxy to the crack or hole using a putty knife or applicator. Make sure to fill the entire void and slightly overfill it to allow for sanding.

  • Allow to Cure: Let the filler cure completely according to the manufacturer's instructions. This may take several hours or even overnight.

  • Sand Smooth: Once the filler is cured, use sandpaper to sand it smooth and flush with the surrounding surface. Start with a medium grit and gradually move to a fine grit for a seamless finish.

  • Paint (Optional): If desired, paint the repaired area with colour-matching paint to blend it in with the rest of the fence. Plasticfencing offers a range of colours, so you can likely find a close match.

Important Note: For larger holes, you may need to reinforce the back of the fence panel with a piece of plastic or mesh before applying the filler. This will provide extra support and prevent the filler from sagging.

3. Fixing Dents and Scratches

Dents and scratches are typically easier to repair than cracks or holes. Here's how:

Materials You'll Need:

Heat gun or hairdryer
Damp cloth
Fine-grit sandpaper
Plastic polish or scratch remover
Soft cloths

Steps for Dents:


  • Heat the Dent: Use a heat gun or hairdryer to gently heat the dented area. Be careful not to overheat the plastic, as this can cause it to melt or warp. Keep the heat gun moving and maintain a safe distance.

  • Push Out the Dent: As the plastic heats up, it will become more pliable. Gently push out the dent from the back side using your fingers or a blunt object. You can also use a damp cloth to cool the area as you work, which will help the plastic retain its shape.

  • Cool and Check: Once the dent is mostly removed, allow the area to cool completely. Check for any remaining imperfections and repeat the heating and pushing process if necessary.

Steps for Scratches:


  • Clean the Area: Clean the scratched area with a plastic cleaner to remove any dirt or debris.

  • Sand Lightly: If the scratch is deep, use fine-grit sandpaper to lightly sand the area. Be careful not to sand too aggressively, as this can create more scratches.

  • Apply Plastic Polish: Apply a plastic polish or scratch remover to a soft cloth and rub it into the scratched area using a circular motion. Follow the manufacturer's instructions for the specific product you are using.

  • Buff: Use a clean, soft cloth to buff the area until the scratches are no longer visible. You may need to repeat the polishing and buffing process several times to achieve the desired results.

4. Securing Loose Panels and Posts

Loose panels and posts can compromise the stability and security of your fence. Here's how to address these issues:

Securing Loose Panels:


  • Inspect Fasteners: Check the screws or fasteners that hold the panel in place. If they are loose, tighten them with a screwdriver or wrench. If they are stripped or damaged, replace them with new ones.

  • Reinforce Connections: If the screw holes are stripped, you can use plastic anchors or wood glue to reinforce the connections. Insert the anchors into the holes before tightening the screws, or apply wood glue to the screw threads before inserting them into the holes.

  • Replace Damaged Panels: If the panel is severely damaged or warped, it may be necessary to replace it. Contact Plasticfencing to find a replacement panel that matches your existing fence.

Securing Loose Posts:


  • Check the Foundation: Inspect the concrete foundation around the base of the post. If it is cracked or crumbling, it may need to be repaired or replaced.

  • Add Concrete: If the post is loose but the foundation is still in good condition, you can add more concrete around the base of the post to secure it. Dig around the post to create a wider base, then pour in new concrete and let it cure completely.

  • Replace the Post: If the post is severely damaged or rotten, it will need to be replaced. Dig out the old post and foundation, then install a new post and pour in new concrete. Ensure the post is plumb before the concrete sets. Consider our services for professional installation if you're not comfortable with this task.

5. Preventative Maintenance Tips

Preventing problems in the first place is always the best approach. Here are some preventative maintenance tips to keep your plastic fence in top condition:

Regular Cleaning: Wash your fence regularly with a mild soap and water solution to remove dirt, debris, and mildew. This will help prevent staining and discolouration.
Trim Vegetation: Keep vegetation trimmed away from your fence to prevent scratches and damage from rubbing branches.
Inspect Regularly: Inspect your fence regularly for any signs of damage, such as cracks, dents, or loose panels. Addressing these issues early can prevent them from becoming more serious problems.
Protect from Impact: Take precautions to protect your fence from impact from vehicles, lawnmowers, and other objects. Install bollards or barriers if necessary.

  • Consider UV Protection: Applying a UV protectant can help prevent fading and discolouration caused by the sun. Check frequently asked questions for more information on suitable products.

By following these repair and maintenance tips, you can keep your plastic fence looking its best for years to come. Remember to always prioritise safety and wear appropriate protective gear when performing any repairs. With a little effort, you can save money on professional repairs and enjoy the benefits of a beautiful and durable plastic fence.

Related Articles

Guide • 2 min

Understanding Plastic Fencing Regulations in Australia

Tips • 2 min

Preparing Your Garden for a New Fence Installation

Tips • 2 min

Choosing the Right Plastic Fencing for Your Property

Want to own Plasticfencing?

This premium domain is available for purchase.

Make an Offer