How to waterproof window sill near shower.


  #1  
Old 04-05-21, 05:31 AM
T
Member
Thread Starter
Join Date: Apr 2021
Posts: 2
Received 0 Votes on 0 Posts
How to waterproof window sill near shower.

Hi,

I wonder if anyone could help. We have a wooden window sill in the bathroom and we need to protect it as we can see that water is penetrating the wood. As you can see in the picture, the sill has rounded edges. What would be the best option in terms of impermeabilizing or protecting the wood?

Many thanks in advance.



 

Popular Reply

 
04-05-21, 05:38 AM
XSleeper's Avatar
XSleeper
XSleeper is offline
Group Moderator
Join Date: Dec 2004
Location: USA
Posts: 27,067
Received 901 Votes on 827 Posts
Wood has no place in a shower...

You can hang a shower curtain in front of it to ensure it doesn't ever get wet. You could also remove all the wood and replace it with cement board, tape and finish it, coat it with Redgard and then tile it.
 
  #2  
Old 04-05-21, 05:38 AM
XSleeper's Avatar
Group Moderator
Join Date: Dec 2004
Location: USA
Posts: 27,067
Received 901 Votes on 827 Posts
Wood has no place in a shower...

You can hang a shower curtain in front of it to ensure it doesn't ever get wet. You could also remove all the wood and replace it with cement board, tape and finish it, coat it with Redgard and then tile it.
 
marksr, TLondon voted this post useful.
  #3  
Old 04-05-21, 09:20 AM
Marq1's Avatar
Member
Join Date: Sep 2016
Location: USA MI
Posts: 7,295
Received 489 Votes on 453 Posts
How to waterproof window sill near shower
So we all wood in our bathrooms subject to moisture. Removing and installing a marble/stone sill would be an option, or simply sanding it down, good primer, good paint will help!

Get a good exhaust fan to remove moisture will help greatly!
 
Norm201, TLondon voted this post useful.
  #4  
Old 04-05-21, 09:46 AM
J
Member
Join Date: Jan 2021
Location: United States
Posts: 86
Received 15 Votes on 14 Posts
All good comments so far. Another option is to sand down the sill to bare wood, coat with a wood petrifier like PC Woody or Abatron, then paint. The petrifier will convert the wood to a hard, waterproof material.
I also recommend removing all of the existing caulk, and re-caulking with a paintable caulk designed for bathrooms. Initially cut the tip of the caulk tube to get a very small hole and get as much caulk into the joints as possible.
 
Norm201, TLondon voted this post useful.
  #5  
Old 04-05-21, 12:37 PM
Norm201's Avatar
Member
Join Date: Sep 2013
Location: United States
Posts: 9,981
Received 341 Votes on 307 Posts
Marq and JRsick is what I would also suggest. Many older homes have wood windows in the bath/shower section. Not ideal but not necessary to rip out he sill. You will need to repaint periodically and maintain the integrity of the window.
 
TLondon voted this post useful.
  #6  
Old 04-06-21, 12:53 AM
T
Member
Thread Starter
Join Date: Apr 2021
Posts: 2
Received 0 Votes on 0 Posts
Hi. Thank you all very much for your recommendations. I bought the wood petrifier and will prime and paint it. Unfortunately, we cannot remove the sill at the moment but will think about it for the longer term.
 
  #7  
Old 04-06-21, 05:01 AM
johnam's Avatar
Member
Join Date: Jan 2000
Location: USA
Posts: 2,007
Received 8 Votes on 8 Posts
Looks to me that the sill is cupped or pitched to the outside. Water will sit on the sill if that is the case.
 
 

Thread Tools
Search this Thread
 
Ask a Question
Question Title:
Description:
Your question will be posted in: