Yes, composite cladding is waterproof. Property owners can install wood-plastic composite cladding in their homes and be certain that it will last longer. Aside from being waterproof, plastic wood cladding is weatherproof. That is why composite cladding will last longer, providing support and aesthetics for a home after installing it. This write-up answers the question, is composite cladding waterproof? It explains why composite cladding will resist moisture and other weather conditions better than timber. Also, it states the advantages of using plastic wood cladding in your home. 

What Is Composite Cladding?

Composite cladding is a material property owners can use to protect their homes from weather and structural damage. The material composition is plastic and wood. Engineers make plastic wood cladding in a factory when lumber and polymer are combined and heat till the cladding is formed. As a composite, wood-plastic is stronger and more durable than wood or plastic. This is because composite wood cladding has both properties of wood and polymer. It has the strength of lumber and the water-resistant properties of a polymer. This means that wood-plastic cladding will last longer when you install it on your home exterior wall. 

Is Wood-Plastic Cladding Waterproof? 

Now you know that composite cladding is made of wood and plastic. Also, you know that wood-plastic cladding has both properties of lumber and polymer. This makes it better and durable than wood. Wood cladding is one of the most common cladding materials property owners can use in their homes, but it has its disadvantages. Lumber cladding has a porous surface that permits water to enter the panels. This means that wood cladding is not waterproof. A cladding material that is not waterproof is prone to damage. This means that the cladding will not achieve its purpose of protecting the exterior wall of your home from weather and damage. 

So, you need a cladding material that is waterproof if you want it to last longer. Composite cladding is the perfect solution for property owners that want a waterproof cladding material for their exterior wall.  The surface texture of plastic wood cladding is resistant to moisture. This will prevent moisture absorption when you install your cladding on your wall. Composite wood cladding has a plastic-coated surface that keeps water off the panels. This means that if water touches your cladding surface, it won’t enter it. What does that mean for composite wood cladding?

Wood-plastic Cladding Will Last Longer

A permeable cladding material like timber cladding will not last long. This is because when moisture infiltrates the panels, they will swell. If the cladding dries quickly, it will shrink and crack. But if the cladding doesn’t dry at all, it will swell. A splintered or swollen cladding has a low chance of lasting longer after installation. So if you install wood cladding, you should not expect it to last long. Since composite wood cladding resists moisture absorption, it will not swell or rot. Also, the composite cladding will not crack or splinter after you have installed it. That is when wood-plastic cladding will last longer.

Wall cladding

Plastic Wood Cladding Is Weatherproof

Aside from being waterproof, composite cladding is weatherproof. When you install a less durable material like timber, it will be affected by other agents of weather aside from moisture. Wind can affect your timber cladding and make it crack. Also, heat and cold can cause expansion and contraction of your cladding surface, which will make it crack or break. The sun rays can affect the attractive colours of your timber cladding and fade it. This will make your property less attractive and require painting yearly. Composite wood cladding will remain unaffected by wind. 

Also, the fluctuating temperature will not affect your plastic wood cladding surface. That is why wood-plastic cladding will not splinter, break, crack or warp due to heat or cold. Other benefits of wood-plastic composite are that the surface will remain attractive for as long as it lasts. This is because the colour of wood-plastic cladding is resistant to the sun’s UV rays—no need for property developers to paint and repaint their plastic wood cladding when they install it. Since wood-plastic composite cladding is waterproof, there is no news to seal the surface to prevent moisture absorption. 


Is composite cladding waterproof? Yes, plastic wood cladding is waterproof. This means that the cladding won’t absorb moisture and get damaged. Also, composite wood cladding is weather resistant. As a weatherproof cladding, the wood-plastic composite cladding will not fade, break, crack or splinter like wood. 

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