Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Building & Construction

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 08-06-2013, 10:28 PM   #1
Member
 
Join Date: Jul 2013
Posts: 306
Rewards Points: 256
Default

Shower moisture barrier question


When you install poly sheeting behind cement board I understand you should let the sheeting drape over the tub/shower lip then cut off remaining afterwards. Reason behind this is so if water does get behind the cement board and to the sheeting it will flow back out over the lip into the tub/shower. Here is what I am confused by. After the cement board is installed and tiling is done your obviously supposed to caulk the bottom gap so when you do that your basically sealing that gap up so even if water did reach the sheeting how could it drain out?

detroittigerfan is offline   Reply With Quote
Old 08-07-2013, 05:47 AM   #2
Member
 
Join Date: Nov 2011
Location: Hartfield VA
Posts: 27,003
Rewards Points: 3,122
Default

Shower moisture barrier question


Should have waterproofed the face of the tile board not add a vapor barrier behind it.
Tile board and grout are not waterproof so why allow it to work it's way in behind the tile board so mold can form on the back side?
The way your suggesting you would have to leave gaps in the caulking to drain it.

__________________
When posting in forums, letting us know your location will help others give better feedback/advice/solutions to your questions
joecaption is online now   Reply With Quote
Old 08-07-2013, 07:27 AM   #3
DIY staff
 
Join Date: Sep 2009
Location: Kane county,Illinois
Posts: 21,863
Rewards Points: 2,374
Default

Shower moisture barrier question


What Joe said----


The plastic behind the board is not needed if you waterproof the face of the board---
I never could see the benefit of plastic over the studs---
__________________
New members: Adding your location to your profile helps in many ways.--M--
oh'mike is offline   Reply With Quote
Old 08-07-2013, 09:55 AM   #4
Member
 
Join Date: Jul 2013
Posts: 306
Rewards Points: 256
Default

Shower moisture barrier question


Quote:
Originally Posted by oh'mike View Post
What Joe said----


The plastic behind the board is not needed if you waterproof the face of the board---
I never could see the benefit of plastic over the studs---
Ok and doing plastic sheeting behind the board and water proofing the front is a no no, correct?
detroittigerfan is offline   Reply With Quote
Old 08-07-2013, 09:58 AM   #5
Member
 
Join Date: Nov 2011
Location: Hartfield VA
Posts: 27,003
Rewards Points: 3,122
Default

Shower moisture barrier question


That would be a double vapor barrier which is sure to cause issues.
__________________
When posting in forums, letting us know your location will help others give better feedback/advice/solutions to your questions
joecaption is online now   Reply With Quote
Old 08-07-2013, 09:58 AM   #6
DIY staff
 
Join Date: Sep 2009
Location: Kane county,Illinois
Posts: 21,863
Rewards Points: 2,374
Default

Shower moisture barrier question


It's not the best practice, but if you waterproof correctly, I doubt of any thing bad will happen---the plastic is perforated with nails and screws and no moisture will reach the plastic===

__________________
New members: Adding your location to your profile helps in many ways.--M--
oh'mike is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Shower Pan Question SER56 Kitchen & Bath Remodeling 6 03-22-2012 12:29 PM
Custom Shower Plumbing Question PhilStubbs Plumbing 0 04-24-2011 09:39 PM
To Vapor Barrier Or Not to Vapor Barrier, That Is The Question. joegambler Building & Construction 5 09-18-2009 09:40 PM
AAV Shower Question PADIY Plumbing 8 01-20-2009 04:49 PM
Shower Arm Question brakea Plumbing 2 01-02-2009 05:58 PM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.