Replies

1. GBA Editor
   Martin Holladay | Apr 18, 2017 06:50am | #1

   Bridget,
   When you wrote that "The master bath is an Onyx Shower," do you mean that the walls and floors will be made of onyx (a type of stone) or that you are buying a brand name of shower base manufactured by a company named Onyx?

   If you are putting in one-piece fiberglass shower units -- or fiberglass shower walls -- DensArmor panels can be used behind the fiberglass. If these walls are insulated exterior walls, just make sure that the DensArmor seams are airtight before you install the shower.

   -- Martin Holladay

2. 
   user-6651407 | Apr 18, 2017 06:54am | #2

   Martin,
   The brand of shower is Onyx. Any recommendations? I also plan on calling the company today to make sure Dens Armor is okay. Their site doesn't offer much help.

   Regarding the kitchen sink backsplash, should an underlayment be used against the dens armor, or does that also depend on the type of backsplash?

   Thanks for all your input.

3. GBA Editor
   Martin Holladay | Apr 18, 2017 07:08am | #3

   Bridget,
   Q. "The brand of shower is Onyx. Any recommendations?"

   A. Your question is unclear. In my first answer, I reassured you about the DensArmor. If you haven't installed the DensArmor yet, ordinary drywall will also work behind a fiberglass shower unit.

   -- Martin Holladay

4. GBA Editor
   Martin Holladay | Apr 18, 2017 07:10am | #4

   Bridget,
   Q. "Regarding the kitchen sink backsplash, should an underlayment be used against the DensArmor, or does that also depend on the type of backsplash?"

   A. The answer depends on the type of backsplash. Do you have a contractor? These are the types of questions that your contractor should be able to answer.

   -- Martin Holladay