The Tri Built SA Plybase SBS Self Adhered is a rubberized underlayment material designed for roofing projects. With dimensions of 64.6L x 39-3/8”W, this product offers a coverage area of 211.6 Sq Ft. The self-adhered feature makes installation quick and easy, while the rubber material provides a secure and durable barrier for protecting roofs from water damage. Perfect for home improvement and building projects, this high-quality product from Tri Built ensures a reliable roofing experience.