Complete guide on how to waterproof plywood. Useful Article For You

Plywood is a product that brings many features to users. In many places, including indoors or outdoors, because of its high aesthetics and variety of designs. However, plywood is a rather difficult product to use because it can be affected by water or moisture absorption. We’ll show you a few ways to make your plywood last longer and more beautiful.

How to waterproof plywood

Let’s explore some tips you can apply to your laminate floors to make them last longer.

  • Use hard wax oil
  • Use liquid rubber
  • Use waterproof wood glue

Use hard wax oil

Complete guide on how to waterproof plywood. Useful Article For You

One of the simple, easy to do, and takes less time and effort is to use hard wax oil. This method does not require you to spend a lot of effort, nor do you need to hire a maintenance company to do it. So you can build your own house and still save a considerable amount of money.

Specifically, hard wax oils work to make the top surface of the wood harder. The oil layer makes plywood more durable and resistant to impact or scratches due to friction. This makes the wood waterproof while still ensuring the natural moisture and quality of the wood inside.

To implement this method, we need to follow these steps:

  • Step 1:

Before we begin to apply wax oil to the plywood, we need to clean the wood surface. This helps the wood surface to be flat and better to adhere to the oil, the protective effect of the oil is also maximized.

  • Step 2:

Once you’ve made sure your wood surface is thoroughly cleaned, you can move on to waxing your wood floors.

  • Step 3:

After applying wax oil, your job is to wait for the oil to dry for about 4-6 hours. You are better off leaving it overnight and ensuring that no one walks over the area you just coated with oil.

After the coating is complete, someone steps over it, which may cause the oil layer to move and not ensure the quality as expected.

However, to ensure evenness and a thicker protective coating for plywood, you can apply 1-2 more coats but make sure there is enough rest between coats.

Use liquid rubber

Use liquid rubber

Using liquid rubber to waterproof laminate flooring is a great choice. Because it is quick, easy to construct, and the price is not too high. In addition, liquid rubber can fill in the crevices to avoid water vapor or water penetration soaking into the floor.

How to waterproof pressed wood with this method:

Step 1

Like all other methods, if you want the rubber to stick firmly and last longer, you must clean the plywood surface before applying.

Step 2

After cleaning, you need to make sure your plywood floor is dry. Because if there is residual water on the floor, the rubber will be difficult to stick and easy to explode during use.

For the rubber to be evenly covered, you need some support tools such as a brush or a nozzle. If possible, hire a professional to do this to ensure the quality and the rubber are completely covered where needed.

Step 3

After applying the rubber layer, you will have to wait about 1 hour for the rubber layer to completely dry and not move when used.

Use waterproof wood glue

Use waterproof wood glue


Hard wax oil and liquid rubber are two effective ways to waterproof plywood indoors. But, if you use outdoor plywood for flooring or balcony and want to waterproof it, you can use waterproof wood glue.

This type of glue has a similar mechanism of action to hard wax oil – creating a hard coating on the laminate surface to protect the wooden floor from water and moisture. To follow this method, you should follow these steps to get the best results:

  • Step 1

Use a damp cloth and wipe the plywood surface thoroughly, making sure your plywood is completely clean and free of foreign objects on the floor.

  • Step 2

Apply glue on the plywood surface. You can also use a clean broom to make this job simpler and easier.

However, you also need to pay attention to the size of the broom. Because the brush head is too big, it will not fit in the wood slots. On the contrary, the small brush head will take you more time to construct.

  • Step 3

After applying the glue, you need to wait 4-6 hours to dry completely. Depending on the adhesive and the thickness of the bond you use, the waiting time can be up to 24 hours. Of course, carefully read the instructions for use on the packaging to ensure how long you have to wait.

Since it is an outdoor product, you may consider applying an additional 2-3 coats to prevent external impacts on the plywood surface for longer.

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Above are three popular ways to make your wooden floor more durable and beautiful thanks to waterproofing. Hopefully, after consulting, you can know the answer on how to waterproof plywood effectively and appropriately. Good luck!

Reference source: How to Waterproof Wood



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