TimberTech® is a leading manufacturer and leader in the research, development and marketing of long lasting, low-maintenance high quality capped composite and wood-plastic composite decking, railing and fastening solutions. With TimberTech you can build a dream deck with confidence, and enjoy the Less Work. More Life. promise. Backed by a 25-year limited residential warranty, TimberTech takes the virtual “to do” list out of your deck.