One of the biggest elements in the lifespan of a deck is sun exposure. When a deck is exposed to full sun it can have a damaging effect that can shorten the life of the wood. Harmful UV rays break down the wood fibers and cause discoloration, graying, and fading. When a deck becomes severely sun damaged the decking boards can warp, crack, and split causing dangerous splinters and a very unappealing look. In extreme cases UV damage is irreversible and cannot be repaired.
The best stain for full sun decks is one that has a heavy pigmented formula that acts as a sunscreen and blocks damaging UV radiation. Most of the stains that are best for full sun decks will penetrate deeply into the wood pores. For example, Defy Extreme is an excellent waterborne product that uses nanoparticle technology and heavy resins to help reflect harmful sunrays.
TWP Stains also offers several different stains that protect against sun damage. They offer many different colors but as with any stain, the darker the color (more pigment) the more sun protection it will provide. If your full sun deck has already suffered from a certain amount of sun damage then Armstrong Clark makes an outstanding wood stain that will replace the lost natural oils in the wood. These nondrying conditioning oils separate from the drying side of formula and penetrate deep into the wood fibers to rejuvenate the wood. The Armstrong Clark in a semi-solid color will give the best UV protection of any of the stains that still show the wood grain.
When choosing the best stain for full sun decks you must also consider the type of wood you are staining. Certain stains are better for different types of wood. For example, Defy Hardwoods would be a great choice for a full sun deck made of cedar, redwood, mahogany, or other difficult penetrating woods. Armstrong Clark in Mahogany or Amber colors are also a great option for these types of wood. Any of these brands may be the best stain for full sun decks just depending on the situation.
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