Yes, homeowners can put a sealer on their composite cladding to make it last longer. But it is not necessary to seal the surface of your composite cladding. This is because wood-plastic composite cladding has an extra coating on its surface that prevents moisture absorption. And since sealing your cladding prevent moisture infiltration, there will be no need. But sealing a composite cladding is not a bad idea for homeowners that want their cladding to last longer. That is why most property owners are taking the step to seal their cladding. This write-up answers the question, can you put a sealer on composite cladding? 

What Is Composite Cladding?

Composite cladding is a protective material that you can place on your wall exterior to prevent damage and insulate your home. The function of the cladding is to reinforce the wall of your home and prevent moisture absorption. There are several cladding materials you can use to protect your home. But composite cladding stands out of the crowd because it is a synthetic material made from wood and plastic. As a composite, wood-plastic cladding has the properties of both wood and plastic. It has the strength of wood and the water-resistant properties of a polymer. 

The materials used to make wood-plastic cladding (the wood and plastic) are recycled materials. This shows that composite cladding is environmentally friendly. As a composite, wood-plastic cladding is strong and durable. This means that wood-plastic cladding will last longer and offer protection from the element than wood or plastic cladding. One element of nature that wood-plastic cladding can resist is moisture. Moisture will easily destroy timber cladding, but composite will remain intact. That is why homeowners don’t have to put a sealer to composite cladding.

What Are the Uses of Composite Cladding?

Composite wood cladding has many uses. Property owners can use it to reinforce the wall of their property from the elements of weather. Also, wood-plastic cladding adds aesthetic to any property it is installed on. 

Composite Cladding Reinforce Your Wall

One advantage of using cladding on your home exterior wall is to protect it from the elements of weather. Wind, fluctuating temperatures, and rain are elements of weather that can easily destroy a wall. If you don’t clad the surface of your property, it can develop cracks due to extreme temperature. Also, the wall can absorb moisture and become weak. Cladding your home exterior wall will protect it from the weather. 

Composite Cladding Provides Aesthetic to Your Home

Composite cladding is one of the most beautiful cladding materials on the market. So, when you install it on your exterior wall, it will pass its beauty to it. Property owners can select wood-plastic cladding of different colours or surface textures. You can select grey, brown, black, or wood-grain composite cladding to install on your property. And the good thing about composite cladding is that the colour will not fade quickly. That is why property developers and homeowners don’t have to paint their wood-plastic cladding during maintenance. 

Applying a sealer to composite decking

Do I have to Seal My Composite Cladding?

If you switch from wood to composite cladding, you will know what it means to seal a cladding material. You will also understand that the surface texture of composite cladding and wood are not the same. While wood cladding has a porous surface texture that allows water to enter the panels, composite cladding surface texture is resistant to moisture. The difference in composite cladding surface texture and wood makes it unnecessary to put a sealer on the wood-plastic cladding surface. So, property developers don’t have to put a sealer on their wood-plastic cladding because the panels are waterproof. 

Can I Seal Composite Cladding? 

Yes, you can seal composite cladding if you wish to add extra protection to the surface. Sealing composite cladding will save homeowners the stress of cleaning their cladding time because the sealer will prevent filth from sticking to the surface. By properly applying a sealer to your composite cladding, you will get several years of use from it before you will clean the surface again. The best sealer to use on a wood-plastic cladding is a water-based sealer. This kind of sealer will not alter the colour of your composite wood cladding in any way. It will only add a screen to the surface of your cladding to protect it from moisture. 


Can I put a sealer on composite cladding? Yes, property owners can put a sealer on wood-plastic cladding to make it resist moisture and last longer. But sealing composite cladding is not necessary because the surface texture is water-resistant.   

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