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I've got the same question except my pool is 20 years old. It's 18' by 38'. Bill

I did this about 2 years ago. It was more than I wanted to do but well worth it. The vinyl liner was needing replaced and I originally wanted a fibreglass coat put in. When we emptied the pool we discovered that the floor of the pool was not built for a gunite frame. So we had to take out the sides and floor and rebuild the frame and put on the gunite. It was about $17,000 all inclusive in 2002. New steps and a light were included.

As a professional pool builder that has shot gunite pool shells inside existing vinyl liner pools, I can tell you that the job is actually harder than building a pool from scratch. If your just going to shoot inside the existing hole the pool will end up being smaller and shallower as well to accommodate for the 6 inches of gunite that will be added. All of the existing returns have to be cut out and extended to allow for this, the main drain should be dug up and replaced with a gunite drain, and the skimmer should be cut out and replaced with a gunite skimmer. the deck should be cut back, but alternately coping can be installed to line back up with the existing deck. The deck will have to be cut out around the vinyl skimmer to make way for the gunite skimmer replacement, I have seen people not replace the skimmer but this leaves a good place for a future leak, I wouldn't recommend it. The plastic steps will have to be removed as well. You may want the bottom dug out so it can be made deeper and larger as the hopper area on most vinyl pools are small and tapered. It's a job to say the least, but it is possible. Cost wise it will probably run more than building a gunite pool from scratch. The only things you are using over is the deck, the hole, and the Plumbing.For more information howtobuildaningroundpool.com

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Audie Beatty

Lvl 10
2y ago

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