b'ASK THE EXPERTSNTCA Referenceandthemechanical/drain-waste-Manualvent system.(2019/2020 Ensureconsiderationsaremade Edition) foranyrailings/balusterstonotPrerequisites andpuncture the primary waterproof-Considerationsing layer unless they can be ade-forSuccessfulquately sealed.Balconies,Courtyards,Patios, Ensureallofthewaterproofing PlazaDecks,Roofs,Exteriorand membranes are flashed onto Walking Surfaces and Swimmingthewallsandsincethewalls Pool Decks (Pages 156 - 157) are being tiledare fully water-The section Ive noted in the NTCAproofed or the water managed as ReferenceManualisextremelyoutlined in the wall methods Ive informationalplease read it first.listed.Attheendofthatsectionyou Aftertheprojecthasbeenengi-willreadthis:DISCLAIMER: Theneered and designed by structural tilecontractorisnotresponsibleandmechanicalprofessionals, forthedesignofthesystem.Tocontact and involve setting mate-avoid potential liabilities use a gen- rialandmembranemanufactur-eralcontractorandcertifiedroof- ers that will assist you in product ing contractor when waterproofingselection and ask them to provide over occupied living space. youdetailedinstallationinstruc-Thereisnosimpleproductrec- tions for their products and a writ-ommendation or set of instructionstensystemwarrantythatcovers orsolutionIcanoffer.Thebesttheir products in this installation.advice I can give you is:Followallmanufacturerinstruc- Follow the guidance of the NTCAtions and guidelines in the TCNA Reference Manual and the TCNAHandbook,ANSIA108andthe Handbook,whichrecommendNTCA Reference Manual.employingageneralcontractor, Clearlycommunicatethecom-architect,structuralengineerasplexity of this project to the home-neededtoproperlydesignandownerandinformthemwhatit specifythestructuralsupport;will take to ensure their project is mechanical(drainage)systems;a success.movement/expansiondetails;I hope this gets you started. After waterproofingsystemandotherreviewingthisinformationplease elementsofthisverycomplexcontactmeagainwithanyques-installation. tions you might still have and I willHirearoofingcontractorandhelp as best I can. mechanicalcontractortoinstall Mark Heinlein, theprimaryroofingmembraneNTCA Training Director24TileLetter | July 2020'