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Advice needed on shower curb gap with void pls

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  • May 6th, 2022 8:37 am
Jun 24, 2008
25 posts
1 upvote

Advice needed on shower curb gap with void pls


Looking for some advice / opinions on how to address these gaps with deep voids under my shower curb. My builder recently did some work on my shower and replaced the curb. It now looks to be raised slightly with a gap that is a deep void behind (no backing).

They seem to think to solution is to simply silicone the void. My concern is that there is no backing and if / when the silicone fails it will be a bad.

Apparently I am making a "big deal" about this.
What are your thoughts? What is the right way to address this?

Thanks in advance.
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1 reply
Deal Addict
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Jun 12, 2008
3250 posts
Silicone caulking shoud rectify your gap.

If you're concern though, you could buy some closed cell backer rod from Home Depot or Lowes in the smallest diamter they sell then trim it smaller and stuff it into the gap before the builder does the caulking.


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