Is Composite Fencing Waterproof? (Clear Answer)


Composite fences are made from composite wood and plastic materials (hence the name), this is the generally known information, composite fence material, due to its plastic component, is known to be waterproof and/or moisture-proof, but beware, depending on the manufacturer, there are different compositions of this material, and not all of them comply with the condition of being completely waterproof.

For a material to be considered “waterproof” it must meet the condition that it does not allow water to seep inside, some composite manufacturers do not offer a 100% waterproof product.

And while it is true that the plastic in the composition makes the composite material much more resistant than wood, there are versions of wood-plastic composite material that are less resistant than others.

As the wood material gives these fences a natural appearance, the plastic material provides more benefits such as durability. Unlike wood, you don’t need to stain, paint or sand a composite fence.

The panels are resistant to moisture due to the plastic material used. Therefore, you don’t need to apply sealants to protect them from absorbing moisture.

This is how you should choose a waterproof wood-plastic composite material for a fence

To choose a composite material that is durable and waterproof for a fence, you must choose good manufacturers, but this is very airy-fairy advice, as all manufacturers are marketed as good.

The real trick is to choose a composite material with a tough plastic coating that covers the wood-plastic composite, the composite material covered with a plastic coating is guaranteed against staining, and fading and is 99.85% waterproof.

Some manufacturers use wood, plastic, and fibers in percentages of 30% each for the creation of the composite material, the other 10% are other materials, a very important one is the filler used to join all the elements.

Traditionally wood filler is the most used, but the composite material with mineral filler is of better quality, this filler gives more strength to the composite, and the fact that it does not contain wood filler makes it much more waterproof and can be used in totally humid places.

What is Composite Fencing?

Composite Fences have emerged to be the most popular type of fencing, and individuals are forgetting the traditional timber fencing. There is a lot behind this option and not only the material.

It is made from a mixture of natural wood and plastic material. This fence is usually recyclable making it eco-friendly. The plastic materials enable this face to retain its strength, last longer, and be a durable fencing solution, while the wood material gives this fence a natural, authentic appearance.

Therefore, due to their integrated nature, composite fences will preserve the same appearance for many years. Indeed, these fences are free from issues like molding, rotting, and splinters, unlike conventional timber fences, so they require low maintenance.

Why do composite fences last longer than wood?

Composite fences may have more extended warranties than wooden fencing, and you may wonder why. These fences last longer than those made of wood. A blend of plastic and wood material is used to manufacture composite fences.

Therefore, the plastic content is responsible for resisting rot, molding, splintering, and moisture. Even in a heavy storm, the composite fence will stay strong. In addition, unlike wooden fences, composite fences are not prone to insects, and therefore, they will last longer.

Is composite fencing strong?

The composite fence is extremely strong and can endure heavy storm conditions for many years. It is resistant to moisture, rot, and mold. Therefore, you can secure your home, garden, or pets without worry.

Waterproof fences alternative

Before you decide to install a fence, understand why you need it. This can be the best shot you can have to choose the right fence. But the most exciting thing is that a waterproof fence will likely give a good and long-lasting fencing experience. Besides composite fence, there are waterproof fences alternative, these includes;

  • Vinyl fence
  • Steel or aluminum
  • Chain link fence
  • Wrought Iron fence
  • PVC fence

Is Composite Fencing Right for Your Garden?

If you have a garden, you may frequently use water to water your plants and flowers. This means most components, including fences, will be prone to moisture conditions.

However, if you have a wooden fence, it may be affected by the sprinkling of water from water pipes, and it may end up molding. But you can stay away from this problem and install composite fences. It is a perfect fence that will fit your garden as it is waterproof, rot, and mold resistant.

It is also durable and extremely strong to endure heavy storms, therefore protecting your flowers from strong winds.

What are the pros and cons of composite fences?

There is every reason you can decide to have a composite fence. Just set aside the eco-friendliness of this type of fencing; here is why you will opt for a composite fence.


Every Time you get out to purchase anything like a commodity, you will be curious about how long it will serve you. The plastic materials are well reinforced and blended perfectly to ensure synthetic wood panels.

They will live longer compared to standard wooden fence panels. Besides, plastic materials are more resistant to weather conditions such as moisture; therefore, they won’t fail you.

b)Free from mold

If you ever had a wooden fence, you know what mold it is. Although the composite fence is a mixture of wood and plastic material, mold issues are prevented—plastic components help to resist rot and mold that may occur due to weather conditions.

c)Natural appearance

You may be more pleased to have a natural-looking fence like timber. The composite fence has got you covered. Manufacturers use well-integrated finish naturally looking from a range of colors. You can also apply the finish or color that you may desire.

d)Easy installation process

These fences are easy to install, and you can do it by following manual procedures. The fence panels are designed to slot together easily. As well, they are lightweight; therefore, you will find them efficient and quick to install.

e)Maintenance is relatively low

Due to the material used to manufacture composite fences, they will last longer. The reinforced plastic materials are resistant to decaying and other weather conditions.

They also don’t encounter splintering or cracking, and you won’t experience issues with filling gaps in the panels. Therefore, these fences will require very little maintenance once you finish the installation.


As composite fences are made from a mixture of plastic and wood materials, these materials can be recycled therefore being eco-friendly. Unlike wood fences, composite fences are not prone to insect infestations.

Therefore, there will be less need to use insect repellents and preservatives, chemicals that are not friendly to the environment. Once composite fence material is recycled, any insect infestation lifespan is ended.


  • There is variation in durability

As you get up to choose any composite fence for your home or garden, you need to know the durability of these materials differs depending on the manufacturer. Of course, they may have used wood and plastic materials, but the nature of these components may vary.

Some manufacturers may use hardwood to blend with strong plastic material, while others may consider using softwood components. Although all fences will be from composite material, their durability will be different.

Therefore, if you don’t know better about composite fences, you may buy low-quantity ones, which may increase maintainable costs.

  • Upfront Cost is expensive

If there is something off-putting to individuals owning composite fences is the cost of installation. For instance, for about 200 linear feet, it may cost you around $5000.


You shouldn’t consider going the extra mile to look for a fence that supplements your securing needs.

The composite fence has all that you need from a fence, from waterproof to rot and mold resistance and from weather resistance to a long lifespan. Installing this type of fence is relatively easy, and you can do it yourself.


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