Natural, Tropical and Terrain. Our Earthwood Evolutions decking is a capped composite deck plank. What this means is that it has a traditional composite core and then has a protective shell on the outside.fake teak tiles Because that shell is made of a durable polymer and doesn’t contain wood, it helps defend against the elements that every deck endures. In fact, it has a 25-year Fade & Stain Warranty added to the 25-year limited residential warranty. Yes, we believe in this stuff! To be more specific on the differences in the three types of Earthwood Evolutions decking boards, let’s explore each of them. First, let's start what product can i use to waterproof my patio with the Natural and Tropical lines, as they are very similar. The main difference between these two lines is the appearance of the colors. The Tropical line has multiple colors on the surface, creating astreaked pattern that closely mimics the look of deep, rich tropical hardwoods. The Natural collection, on the other hand, is only available in solid colors. They look great too. It really just depends on what look goes best with your home. The Earthwood Evolutions Tropical line includes the colors of Pacific Rosewood, Pacific Teak and Pacific Walnut. The Earthwood how to build a double door gate Evolutions Natural line colors include Brick, Brownstone and Slate. Both Earthwood Evolutions Natural and Tropical have a similar VertiGrain emboss pattern on the surface of the board that looks great and won't trap dirt and dust.