Noble Co. offers NobleSeal sheet membranes to help protect ceramic and stone tile thin-set installations. Products are available for waterproofing (NobleSeal TS), crack protection (NobleSeal CIS) and sound isolation (NobleSeal SIS). NobleSeal CIS is rated for high performance and provides protection against movement up to 1/8”, the company notes. Visit the website or call (800) 878-5788. Circle 340 on the Reader Inquiry Card.