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© 2019 International Masonry Institute www.imiweb.org
Tile shower assembly |Detail 06.110.0421 Rev. 09/27/19
Metal studs, CBU backing, bonded waterproof membrane, two-stage drain
KEY WORDSTile, Ceramic tile, Mortar bed, Mud bed, B421, Shower, Shower receptor, Topical waterproofing membrane
KEY NOTESConcrete slab05
Premanufactured curb10
Mortar backfill after waterproofing
Cement backer board, embed bottom in mortar bed
29
08
Ceramic tile06
Steel studs08
Two-stage drain assembly35
Sealant at drain collar as req'd
74
Clamping ring58
Weep protection59
Vapor retarder, optional61
Fiberglass mesh tape at backer bd. seams; embed in thinset mortar
65
Cementitious bond coat24
22
05
06
06
10
21
24
24
29
74
58
59
35
61
06
65Mortar bed, slope 1/4" per foot to drain; remove mortar around drain for waterproofing
21
22
24
24
62
Topical waterproofing membrane, liquid applied
62
62
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