TISE WEST PRODUCTS ing on various interior cement and gypsum substrates, for a 1/16” to 1/2” level and up to 1” with aggre- gates; and ZM Rapid that offers the same depth as ZM, but can accept many floor coverings after about 90 minutes. All these formulas are pumpable. hpsubfloors.com Schluter exhibited a line of stun- ning new drain grates in Curve, Floral and Pure designs, for linear and traditional drains. schluter.com wedi showed the fully integrat- ed Riolito Neo Modular Line Drain with a fully sealed and factory inte- grated drain assembly that comes in two options: a one-piece show- er base including drain trench for 1-way or 4-way slopes or a module that includes the trench drain and another that is the sloped extension panel for choice of drain positioning. us.wedi.de The NTCA Reference Manual was developed to identify recurring chal- lenges to successful installations of tile and stone,recognize potential problems,and to gain consensus from industry experts on offering solutions. New updates to the following topics: • Spot Bonding • Proper preparation and ANSI require- ments • Curing compounds and release agents • Interior installation of tile over exterior glued plywood • Preparation for thickset installations • Movement joints • Questionable/unsuitable substrates • Backerboards • Concrete substrate issues • Underlayments,trowelable and poured • Loss of underlayment bond to substrate • Cracking underlayment • Soft or powdery underlayment • Poured gypsum underlayments • Steam rooms • Glass tile description • Glass tile installations • Shower issues with tub/shower combo and prefab shower pans • Position statement on thin porcelain tile • Radiant heat issues for tile and stone installations • Recommendation for exterior tile maintenance • Care and maintenance www.tile-assn.com 110 TileLetter | April 2018