Solvent-based products, or alkyds, will typically amber the color of the surface, whereas many of the water-based products are crystal clear and will not alter the color of the wood.
Some water-based products not all utilize synthetic resins; these offer no food value for future mildew growth. Lastly, selecting a product with zinc nano-particles is especially beneficial.
Zinc is a natural combatant to mold growth and will have a profound effect on delaying the re-growth of mildew. Everything that you need to know about the product is on the back of the can. Take a few minutes to read it before you start. How many coats should you apply? How much time between coats? Is there a critical recoat time?
There can be any number of things that you can learn from reading the back of the can. Take a minute and read the directions. The same goes for spraying. But why go to all of that trouble? When you brush the sealer, the brush creates friction on the surface, breaks the surface tension of the wood, and works the sealer into the pores of the wood. The more sealer that you can get the wood to absorb, the longer your project will last.
Check out this video that shows how to apply deck stains quickly by using a car-wash style brush on a pole. This is my favorite method as it does an exceptional job and really makes the job go fast. If you apply too much sealer to the wood more sealer than what the wood can absorb , wipe off the excess.
My advice is to do the same if you over-apply sealer on exterior composite lumber. Sealing Composite Decking. See Defy Composite Deck Water Proof Sealer Sealing a composite deck will also help restore color and aid in the cleaning process the next time the composite wood decking needs maintenance.
You are a guest Sign Up? Login Now. Loading comment The comment will be refreshed after We will reply to your comment shortly. I need to seal the edges of my new Trex Transcend decking as it is rounded and I cannot put edging on it.
Can I add stain to the Sealant to match the color? Do I have to wait any period of time prior to doing so? I have recently had a Trex deck installed at my home. My concern is that I have a lot of puddled water on my deck when it rains. I have read somewhere that this is not normal. Thanks Joe. We have trex decking and some pieces are flaking apart. Can't afford new. Need to fix. What can we do. Is there a product that can save the deck?
Can you use this when building a composite deck to cover the cut ends? What is a good product to use to seal the cut ends of composite decking? We do not sell any stains that work with composite wood like Trex. Would an oil based clear sealer work on a 1st generation Trex deck? I have power washed it for years so it is clean but would like to protect it from mold and mildew further.
While there are more than a few reasons to seal your composite deck, there are drawbacks that you should consider. As mentioned, you will void the warranty of your decking boards if your manufacturers advise against it. You would potentially waste money by doing so. Another disadvantage of sealing composite decks is ironically due to maintenance cost. While it makes the deck easier to clean, you will need to regularly re-seal the deck once you start doing it.
While it may not seem much, the added cost will pile up over the years. You can seal a composite deck like a wooden deck. However, it doesn't always mean you need to do it. In some instances, it can be harmful to your deck. It can void the warranty or increase the maintenance cost. However, there are also several advantages. It makes composite decks easier to clean, renews older and first-generation decks, and protects them from moisture and moulds.
The bottom line is, you'll need to decide whether your deck needs sealing or not. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. April 9, Sealing Composite Decks Composites are materials made from thermoplastics and wood fibres. Advantages of Sealing Composite Decking There are many advantages to sealing a deck.
Disadvantages of Sealing Composite Decking While there are more than a few reasons to seal your composite deck, there are drawbacks that you should consider.
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