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are composite deck boards waterproof

As you know, extreme natural weather can significantly impact your outdoor space. If you use traditional wood for your outdoor deck. It is very susceptible to natural elements and extreme weather, especially moisture and humidity. It can cause serious damage to the wood, which can lead to cracking, rotting, and warping of the deck. Therefore, you should consider more durable and sturdy composite materials as an alternative to your traditional wood.

Are composite deck boards waterproof? This is not absolute, only fully synthetic materials are completely waterproof. Due to the composite materials’ wood fiber and recycled plastic content. Therefore composite decking can be highly water resistant.

Composite decking is usually made from a blend of recycled wood fibers and plastic. A combination that makes it highly durable, mold-resistant, and rot-resistant. Therefore they are often considered the perfect alternative to traditional wood. And composite decking is highly water resistant so that it will not rot, crack or bend easily. In this article, we will focus on composite decking waterproofing and the factors that affect composite decking’s water resistance.

Why composite decking?

COOWIN composite decking has excellent durability, water resistance, low maintenance, and versatility. Which makes it a popular choice for homeowners and installations. For some homeowners who prefer natural beauty, COOWIN offers a wood-like texture and looks well suited to the homeowner’s needs. And composite decks have a longer life span, with an average life expectancy of 25-30 years. That means you won’t need to perform regular maintenance or replace decks as often. The high abrasion resistance allows it to maintain its original look and feel for a long time.

Are composite deck boards waterproof?

Composite deck boards are highly water resistant. They are resistant to water but are not completely waterproof. Because of the recycled plastic content, they are more durable than traditional wood and will not rot, bend or crack easily. In some cases, however, the water resistance of composite deck boards may be compromised.

As technology has evolved, composite decking moisture shield has been adopted by more manufacturers. And as a result, many manufacturers advertise it as a fully waterproof deck. However, if the protective surface layer is damaged or scratched. Moisture can penetrate and damage the underlying material. And water pooling on composite decks can also cause moisture and humidity to penetrate the deck, which can lead to damage.

Factors that affect the waterproof of composite deck boards

The water resistance of composite decking depends on various factors, such as the quality of the material and the way it is installed. We will discuss in detail the factors that may affect the waterproofness of a deck.

The quality of the materials used

The quality of the material used to manufacture composite decking boards is a major factor in water resistance. Lower-quality composite decking or decking with less plastic content may be less waterproof. Because it has more voids and wood fibers to absorb moisture. The absorbed moisture may cause the deck to crack and cause mold growth, which can lead to deck rot.

Manufacturing process

The manufacturing process and method of manufacture of the deck also play a decisive role in water resistance. Use and data show that decking made by co-extrusion usually has better water repellency than decking made by standard extrusion processes. Therefore, choosing co-extruded composite decking can make your outdoor space more water resistant.

affect the waterproofness of composite decking

Installation method

The way composite deck boards are installed also affects water resistance to a certain extent. The right installation can make your deck more water-resistant. You need to install flashing between the deck and the joists to prevent water and moisture from penetrating the deck.

Keep the deck spaced apart during installation so that even if the deck swells due to water absorption, it won’t squeeze and warp. Proper installation can save your outdoor space from costly repairs or replacements.

How to maintain composite decking

In order to keep your composite decking boards in good condition. There are ways that you must take care of your decking or maintain it. Here are some instructions on maintenance.

Keep the deck clean

Regular cleaning of the composite decking can prevent the accumulation of dirt and debris. This debris and dirt may intercept water and cause water to become trapped. Water that accumulates over time may seep into your deck and cause serious damage to it. Cleaning is easily accomplished with a soft bristle brush and warm soapy water. Remember to avoid using sharp metal brushes or pressure washers to clean your deck. Which can cause wear and tear on the moisture shield composite decking and affect the water resistance of your deck.

Why composite decking?

Use composite decking sealant

Using a sealer for composite deck on your deck can effectively improve water resistance. It is important to note that you should always purchase a sealer specifically designed for composite materials. The better the quality of the sealer, the more waterproof it is. Before purchasing or using a sealer, consult the manufacturer and follow the manufacturer’s instructions.

Regular inspections

Regular inspection of your outdoor deck. Liquid, beverage, or spillage on the deck surface needs to be cleaned up promptly. If composite decks are found to be warped or cracked, they need to be treated or replaced promptly to avoid further damage.

Final thoughts

Composite decking has become a very common building material with additional advantages. Although composite decking is not completely waterproof, it is still very water resistant. Its high level of waterproofing can provide you with a stronger and more durable outdoor space.

Although the way it is installed and the quality of the material can affect the waterproofness of composite decking. But it can still provide long-lasting water resistance if you take some measures to maintain your deck.

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