Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 Page 123 Page 124 Page 125 Page 126 Page 127 Page 128STONE –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– UltraCare Penetrating SB Stone, Tile & Grout Sealer is a natural- look, solvent-based penetrating sealer that provides maximum protection against most common stains. It is safe for use on all interior and exterior natural stone (marble, limestone, sandstone, slate, granite, travertine, etc.), unglazed porcelain and ceramic tiles, masonry, quarry tiles and cementitious grout. The product can also be used as a pre- grouting sealer. UltraCare Penetrating SB Stone, Tile and Grout Sealer passes the Ceramic Tile of America CTIOA-T72 stain test. This testing method requires placing selected staining substances (water, white vinegar, vegetable oil, red wine, soy sauce, cola, red sports drink, hot black cof- fee, yellow mustard and all-purpose cleaner) on tile for 4 hours, open to air, and then washing them off with water and allowing the tile to sit for 24 hours. www.mapei.com ops problems we have a data base and better understand the issue.” The survey is included below and will be available to download in the technical section of Tileletter.com. And a precautionary statement is being pre- pared for the NTCA Reference Manual. Return the information to Steve Young at s.young@windstream.net or to Martin Brookes at marbleguy@earthlink.net. Wet Area Stone Discoloration Survey Shower Assembly: 1) What TCNA shower detail was used 2) Conventional mortar bed with pan liner under mortar bed: yes__ no__ Mfg._____________________________ 3) Pre-slope under pan: yes__ no__ How much per foot________________ 4) Weep holes protected: yes__ no__ if yes, how________ Mfg. _____ Product # _______________________________ 5) Waterproofing on top of the mortar bed: yes__ no__ Mfg. _______ Product # _______________________________ 6) Type of membrane: liquid__ sheet__ Mfg. ____________________________ Product # ________________________ 7) Mortar bed: site mix __ pre-mix __ Mfg. ____________________________ 66 TileLetter | February 2017