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ASK THE EXPERTS QUESTION Is there any TCNA or industry infor- mation that indicates that rounded-top porcelain cove base is not meant for situations where tile is installed on the walls above the base since it has a rounded top Id also like to know how the cove base is to be installed in con- junction with floor tile. I stated in my RFP to install metal trim strips when coordinating porcelain tile pieces are not available. Given that the cove base option for a selected tile series has a rounded top and foot this causes a potential for an unclean install. The options that the contractor has given us are Using the wall base and filling in the rounded top with an enlarged grout joint Cutting the wall tile and butting it to the floor tile with either a grout or caulk joint at the connection or Field-cutting the rounded tip of the wall base off These are not preferred options for the government as these lead to maintenance issues down the road for the facility. Do you have any idea how I can respond to this or help with any industry or TCNA info Thanks so much ANSWER There is no such language in the TCNA Handbook or in any of the ANSI manuals. I believe that the 3 solution is the proper method and how my contract- ing company usually accomplished this detail if round top cove was the only cove available if cove was required. Be sure to stone the cut and although it will have a slightly different appearance than a factory edge it will not be a maintenance issue. Since the tile cove is round footed it is designed to be top-set. There is another option that is very effective if somewhat more expensive. Profile and edge manufacturers make stainless steel coves with corner trims available with different sizes available to match the thickness of your tile.Very beautiful easy to install and cool too If cove is not required by code then just use the field tile at all inside corners with a joint filled with foam backer rod and ASTM C920 sealant 100 silicone or single part ure- thane. Be sure that the tile is not set tight and that the joint is completely free of mortar and grout. Michael Whistler NTCA technical trainer QUESTION We are currently working on a project that includes 30000 sq. ft. of penny round tiles that were manufac- tured in Japan. Its our understanding that penny rounds are classified as a specialty tile and therefore very little criteria has been set regarding Sponsored by 20 TileLetter May 2016