Filling Hole in bottom of gunite pool.

Abdow2020

New member
Jun 5, 2019
1
Boston
When our gunite pool was drained for painting they drilled a 2" hole in the bottom to relieve water pressure.
The pool has been painted & we want to patch the hole before we refill it with water.
Can pool putty be used to block that hole or is there a better product?

Any other tips for work that should be done before filling the pool are appreciated. Thanks.
 

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
9,760
Northern NJ
Welcome to TFP.

I hope you know that modern pool paints only last a season or two. They quickly start chalking and clouding the water.

I think you need to use hydraulic cement to fill the relief hole.

@bdavis466 @PoolguyinCT thoughts?