mbtrade Posted May 19, 2011 Report Posted May 19, 2011 I recently had a Viking pool and splash pool installed and the splash pool has a hollow sound underneath it like there is no base material under it. The splash pool is elevated with packed dirt around the outside and concrete poored on top. When the pool and splash pool were installed there was no gravel or sand put is as a base. The dirt was dug out and the pool placed diectly on the dirt and backfilled with the excavated dirt. It was just put in and I am wondering if it was installed incorectly. Any advice? Thanks Quote
PoolGuyNJ Posted May 31, 2011 Report Posted May 31, 2011 As I read this, you had 2 pools installed. All shells should sit fully on a firm and supporting base material. Virgin soil is hard, not firm. Small gravel or sand form the normal supporting floor surface to set a shell on. If you hear hollows, there is no support there. If the shell is stiff enough and the void below isn't too deep or wide, it might support the water and jumping without flexing the gel coat, causing eventual cracking of the gel. Scott Quote
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