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Building a composite decking in your garden will give you extra space to relax and enjoy the outdoors. Outdoor decking can serve as a space where you can hold parties with your friends. You can have a barbecue on your composite decking with your children running around your yard. All homeowners desire a decking that will last longer and provide value for the cash they spent installing it. But for your plastic wood decking to last long, it must be properly drained. This write-up explains how to build a well-drained composite decking.

Composite Decking Built for Tough Weather

One way to build your plastic wood decking for tough weather is to ensure that the surface allows water flow. Rain is one of the elements of weather that can easily destroy composite decking. Although the composite decking surface has a plastic coating that prevents moisture from entering the surface, rain can still make it less durable. It is because rain settling on your composite decking can cause dampness. And dampness is one of the conditions that favour mould and mildew growth. 

When mould or mildew grow on the top of your wood-plastic decking, it will make the topless attractive. Aside from that, rain settling on your composite wood decking will create a condition that will prevent free movement. This implies that when rainwater settles on your decking surface, you won’t be able to row freely on your decking. So, to ensure that you build your composite decking for tough weather, you must ensure that water doesn’t settle on top of the decking. 

Building a Well-drained Wood-plastic Decking

Build a Well-Drained Decking

A well-drained composite decking will allow water and other liquids to run off the surface easily. This implies that for your plastic wood decking to be well-drained, it has space that allows water movement. Most homes usually have gutters that enable water from rain to run off the compound after it rained. But since you cannot fix a gutter to your decking, you must ensure that the boards have space that will allow water to run off. If you are contemplating installing a wood-plastic decking, you must leave the right space between the boards. This space will allow for expansion and drainage. Leaving space between your composite boards will ensure that the decking is well-drained.

Step One – Clear the Ground for the Decking

Before you start digging where you will build your wood-plastic decking, you have to clear the ground. It implies that you must measure the spot to know the length and breadth of your composite decking. Also, you must landscape the ground for your decking to be straight. If you have a slanting parcel of land, you should consider building a multi-level composite decking. Then, you can proceed to dig the holes that you will put the posts that will lift your composite decking above the ground.

Step Two – Build Your Composite Decking Foundation

Building your composite decking foundation involves putting the posts in the holes you dub. Make sure that you apply cement to the posts to be strong and ensure that the posts are straight so that the decking will not collapse. After fixing the posts, you can attach the outer frame to the posts. The outer frame is made of long planks that you will attach to the outward part of the posts. After attacking the outer frame to the posts, you can start attaching the inner frame. Note that if you are building rectangular decking, your posts will be fixed on all sides of the decking. It implies that the frame, whether outer or inner, will run across the decking and connect the posts. 

Step Three – Arrange the Wood-plastic Composite Boards

The way you arrange your composite boards determine if the decking will be well-drained or not. It implies that if you space the boards properly, water will run off freely. That is why when you attach the boards to the joists; you must leave a 5mm space between them. This space is crucial for both expansion and drainage. For a place where the composite boards touch the wall, space should be more than that. When you keep a little distance between your composite decking boards, you will enjoy the decking with no risk of moisture absorption and mould growth.

Conclusion

How to build a well-drained composite decking involves leaving the right amount of space between the boards so that water will run off the surface of the decking.

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