Boulder Mountain is a rustic, finger-jointed, white oak hardwood with 8-inch wide planks. The natural grains and colors of this species create a warm and cozy setting in any environment. Boulder Mountain is manufactured to the highest standards using an eco-friendly Treffert finish with aluminum oxide. As with all Choice Hardwoods series, Boulder Mountain comes with a limited lifetime structural warranty and a 25-year residential / 3-year light commercial wear warranty. This series features 86-inch length planks.