armadillo is the most comprehensive low maintenance high quality exterior composite decking in the world. As the preferred choice for homeowners and builders armadillo composite decking is coated in a polythylene protective shell to create natural wood grain finish and protect against fading weather stains mold and mildew armadillo's coating is permanently fused to its composite core resulting in a denser richer color more variation and a more realistic look armadillo customers trust that products offer