Installation Guide
20  BATHTUB SURROUND
Bathtub Surround – Ceramic or stone tile
BATHTUB SURROUND
Schluter
®
-KERDI waterproofing membrane or  
Schluter
®
-KERDI-BOARD waterproof building panel
K-TS-20
Ceramic or stone tile
Schluter
SET
®
, Schluter
ALL-SET
®
, 
Schluter
FAST-SET
®
or unmodified thin-set mortar
Waterproofing:
a. Schluter
®
-KERDI  
waterproofing membrane
b. Schluter
®
-KERDI-BOARD  
waterproof building panel
Schluter
®
-KERDI-BOARD-ZT  
washers
Schluter
®
-KERDI-BAND  
waterproofing strips
Schluter
®
-KERDI-KERECK-F  
waterproofing corners
Schluter
®
-KERDI-SEAL-PS/-MV
seals or Schluter
®
-KERDI-FIX  
sealant and bonding compound
Schluter
®
-KERDI-FIX  
sealant and bonding compound
Solid backing
Schluter
®
-DILEX profile (optional)
Schluter
®
-DITRA uncoupling membrane 
(membrane and KERDI-BAND connection 
to floor are optional)
Niche (not shown, optional):
• Schluter
®
-KERDI-BOARD-SN
Shelf (not shown, optional):
• Schluter
®
-SHELF-E/-W/-N 
1
2
3
4
5
6
7
8
9
10
11
6
5 5
6
1011
1
2
5
4
3a
3b
1
5
7
8
7
7
7
9
8
10
5
3b
5
3b
7
10
7
6
6
2










