Uncoupling membranes for building purposes, namely, uncoupling waterproofing membranes in low and high density polyethylene and polypropylene for floors and for terraces and balconies and for floor heating, [ uncoupling roofing membranes, uncoupling PVC roofing membranes, and ] uncoupling waterproofing membranes for roofing, floors and walls; waterproofing membranes reinforced with fiber glass for use in connection with buildings; [ nonmetallic rigid pipes for construction purposes; fabrics f...