Mortar Net is made of recycled polyester or high-density polyethylene. This material will not oxidize, rot, promote mold or fungus, or react with other common building materials such as mortar, cement, asphalt, modified bitumen, PVC, copper, or galvanized metal, thereby ensuring long-term performance for all materials. Mortar Net® Sizes Width  Height  Length  Package Qty 0.4"       10"        5'             250 lf 1.0"       10"        5'             100 lf 2.0"       10"        5'             100 lf