Monday, March 31, 2014

Napa Swimming Pool Design Epoxy Injection

Epoxy injection of cracks in concrete is like putting a bandaid over skin cancer.... you no longer see it, but it is still there.

It's all great in theory, BUT...

The theory behind epoxy injection of concrete, is to seal cracks and to restore the integrity of the concrete (seal the crack).

Cracks are like people - they come in all shapes and sizes.  Unfortunately, tight skinny cracks cannot be effectively sealed.  

Fat and wide open cracks are not good candidates for epoxy injection.  Why?  Because they indicate that there is a substantial structural issue.
Wheels falling off beforee the race even starts

If your brand new pool is full of cracks before it is even plastered - there is a PROBLEM!  Do not listen to your pool contractor, something is WRONG.

The bottom line is that swimming pools should not crack.  PERIOD.  They are designed to hold water.  How can they do that when they are full of cracks?

Practical experience tells a different story

Personally, I have NEVER seen an epoxy injection job that sealed the cracks all of the way through a shell.  

I have cored a number of pools that were previously epoxy injected, and in none of the cases did the epoxy get any deeper than an inch or two.  

It did absolutely nothing to seal the cracks on the back of the structure to prevent ground water from entering the concrete and attacking the reinforcing steel.  

The purpose of complete encapsulation and proper coverage over the steel, is to protect it from corrosion.

Contact the author, Paolo Benedetti of Aquatic Technology Pool and Spa at: or 408-776-8220. Visit his website at: All Contents © Aquatic Technology Pool & Spa, 2013. 
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To contact the author, Paolo Benedetti of Aquatic Technology pool and Spa, email him at: or call 408-776-8220.
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