There are three main ways to waterproof a wooden deck: using a waterproof sealant, a waterproof membrane, or a rubberized coatings. All three of these methods work in different ways to accomplish the same thing. Understanding how to properly apply each of these methods can ensure that your deck is waterproofed and properly resistant to water damage and rot.
Before You Begin
No matter what method you do, you should make sure that you clean off your deck before you start to ensure that the waterproofing is effective. Wash away all the dirt and debris, and sand away any unevenness or splinters to make the application process simpler.
Before you apply water sealant, make sure that you have at least two days without rain in the weather forecast, as rain can ruin the sealant. Besides that, the application process is fairly simple – stir the sealant and then apply it to the deck using a roller, rolling length wise along the deck boards. For corners and tight areas, you'll have to use a paintbrush. Wait for the first coat to dry, and then apply a second coat. Once the second coat has been allowed to sit for a few days (the exact amount of time will depend on the brand), it will effectively protect the deck from water exposure. However, water sealants will need to be reapplied every few years, as they do wear away eventually.
Waterproof membranes are vinyl or rubber sheets that are applied over the top of your deck. They allow water to run off at the edges of your deck, protecting the underside from water as well. This is ideal if you want to use the space under your deck as storage space. Usually these membranes have tiles installed on top of them that allow water to flow through them to the membrane, allowing you to still use you deck normally, albeit with a different aesthetic.
Rubberized coatings are a meld of the two above methods. Rubberized coatings are applied in the exact same manner as water sealant is, with a large roller and a paintbrush for tight areas, but provide a rubber membrane on top of your wooden deck. In addition to repelling water from the wood underneath, rubberized coatings also provide increased grip on your deck, which can be extremely important for elderly homeowners or those with young children. Rubberized coatings can come in a wide variety of different colors, allowing you to effectively paint your deck with the coating.
For more information, contact a professional business, such as Hallmark Waterproofing Inc.
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