170161 USG Durock Shower System Sealant

SKU: 170161
Manufacturer: USG Durock
MPN: 170161





USG Durock Shower System Sealant

USG Durock Sealant is a multi-purpose waterproof sealing and bonding compound for use with USG Durock shower system components and USG Durock ultra-light foam tile backer board. It features a saline-modified polymer base with low VOCs and is free from solvents, silicone, isocyanides and other hazardous raw materials. It can be applied in any season with wide temperature range gunnability.


  • Provides waterproof sealing over clean, dry, properly prepared and attached surfaces, including the Durock shower system
  • Bonds to most common building materials including tile backer board, ceramic tile, stone, drywall, aluminum, glass, XPS and EPS foam and wood
  • Long life reliability cured sealant stays flexible without tearing, cracking, drying out or becoming brittle
  • Non-staining

Questions & Answers (2)

9/4/2018 2:32:10 pm

Can Durock sealant be used to seal between joints of Durock ultra light foam backer board in place of thin-set and 5" waterproof tape?

You can use the sealant on the joints to seal the joints but it is recommended to use the waterproof fabric to have a complete waterproof seal on the joints.

10/9/2018 4:28:31 pm

Is USG going to have sausage tubes available soon?

At this time USG does not offer sausage tubes at this time. Unfortunately there is no time frame as of yet on when they possibly will be introducing them.

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