Neutrino Castle Rock 100% Solution Dyed Pet Primus Fiber Timeless Designs Carpet is a custom order carpet option at Builders Surplus. This Carpet is extremely durable and will give your home the warmth and comfort that your family can enjoy for years to come. New technological advancements in carpet have made it a better product for air quality and ease of cleaning. Installation is included in the price per square foot. Sold by Roll. *Price and availability may vary by store location. Discounts may not be reflected immediately on site. Please see your nearest Builders Surplus store for most up to date pricing.