The Loxcreen Flooring Group presents ProVa-Flex, a multi-functional polypropylene underlayment for use in ceramic and stone installations. The product also acts as an “uncoupling” membrane on all suitable substrates and can help prevent substrate moisture. ProVa-Flex features an interwoven netting material adhered to the surface to provide excellent bonding and enhance contact with mortars, the company notes. For details, circle 288 on the Reader Inquiry Card.