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Installing your decking outdoors will expose it to the elements of weather like rain and moisture.  Rain or humidity will destroy the decking if the decking is permeable to water. But as a decking owner, you want a decking that will last longer with no risk of rot or swells. There are several decking materials, and they have different water-absorbing properties. Wood decking will absorb water if it is not treated with a sealant. Composite decking with a capped surface will not absorb moisture. Pvc decking is 100% water-resistant. So, if you want to install decking in your home, what is the best water-resistant decking to use?

Damage Water Can Cause to a Decking

If you install your decking in your garden, you will expose it to moisture and rain. When it rained, the water would drop on your decking surface and penetrate it until it got to the core. Moisture or water will make your decking swell or increase in size. This will cause shape distortion of your decking. If your decking dries quickly, it will shrink or crack. But if your decking does not dry at all, it will rot. This shows that water or moisture can destroy a decking after it has been installed. 

Best Water Resistant Decking

Wood Decking

One type of decking that is famous is timber decking. This decking kind contains natural lumber and chemicals that make it strong. Timber decking has a surface texture that quickly absorbs water. If it rained on your timber decking, the water would seep into the decking boards. When this happens, the board will become soft and wet. 

A wet timber decking will quickly rot off, and when this happens, you will not have a decking anymore. If you want the best water-resistant decking, wood is not the right option. But this does not mean that timber cannot be made to resist water. Wood decking makers will recommend treating your timber decking with sealant to make it resist moisture. But this task of treating wood with sealant will cost you more money. 

Composite Decking

water resistant decking

Another decking to consider is composite decking, also known as wood-plastic composite. This kind of decking is suitable for outdoor installation because of its capped surface. Wood-plastic composite is a combination of plastic and lumber. Lumber is an excellent structural material, while plastic is a good water resisting material. 

When combined, wood and plastic produce composite decking, which is a water-resistant decking material. To make wood plastic composite better, its makers coat its surface with plastic to prevent water or moisture from infiltrating into it. Although the first generation composite boards do not have capped surfaces, if you want water-resistant decking, you should go for the second generation decking.

 Most manufacturers make three sides capped boards leaving one side exposed. But if you wish to fully protect decking boards, you should use four sides capped composite decking. This one has a plastic coating on all four sides and prevents water from entering the board. 

Plastic Decking

Also known as PVC, plastic decking contains 100% plastic. This decking material is resistant to water and does not need a sealant like timber decking. Just like composite decking, plastic decking has plastic protection over its surface, making it resist moisture. PVC is perfect for any outdoor installation, and it will not break, swell, rot or crack.

 So, if you want the best water-resistant decking, PVC is also an option. But what about composite decking. When you compare PVC with composite decking, you will realise that they don’t have the same looks. While composite decking looks like natural wood, PVC doesn’t. This is one reason wood loving homeowners prefer composite decking to plastic decking.

How to Ensure that Your Decking is Water Resistant

Besides purchasing water-resistant boards like composite decking boards, you still have to make sure that your joists are water-resistant. The beams are the supporting structure that lifts your decking from the ground. Homeowners make their joists with timber.

 Remember that wood will absorb water or moisture. So, to ensure a solid foundation for your composite decking, you have to use treated wood. Also, you should use decking tape to seal the top of your joists before fixing the composite boards. 

Conclusion

The best water-resistant decking is one that will not absorb water. Composite decking and PVC decking boards have a plastic coating on their surface that prevent water infiltration.

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