Class 017: High-performance insulating house wrap and moisture barrier films for construction use, namely breathable housewraps comprised of non-woven high-density polyethylene (HDPE) polymer membrane materials, polymer-based vapor-permeable membrane barrier sheets designed for use as weather-resistive barriers (WRB) membranes, drainable moisture barrier membranes for exterior walls, vapor-permeable polymer-based barrier sheets for building envelope protection, waterproof and vapor-permeable sheeting, and non metallic air and moisture barriers for residential and commercial construction; Class 019: High-performance insulating house wrap and moisture barrier films for construction use, namely a breathable housewraps comprised of non-woven high-density polyethylene (HDPE) polymer membrane materials, and vapor-permeable membrane based barrier sheets, polymer-based and high durability and are designed for use as weather-resistive barriers (WRB) membranes, and being weather-resistant and including drainable moisture barrier membranes for exterior walls, and vapor-permeable polymer-based barrier sheets for building envelope protection, and waterproof and vapor-permeable sheeting, and non-metallic air and moisture barriers and being for residential and commercial construction
