For over thirty years, vermiculite has been used in the construction of vinyl liner swimming pools. Essentially after the walls of the pools are positioned, vermiculite is mixed with Portland cement and then trowelled on the “bottom” of the pool in both the shallow and deep sections.Click to see full answer. Also know, why is vermiculite used in pools?Vermiculite pool bottoms are inexpensive and easy to apply. Palmetto Vermiculite for Pools is a medium C-3 grade that works best as a pool base. Retains flexibility after cure, to handle soil movement without cracking. Forms a semi-permeable aboveground pool base that allows water to percolate into the ground.Subsequently, question is, how do you fix the bottom of vermiculite in a pool? Pour one part of vermiculite powder and three parts of cement into a five-gallon bucket. Slowly add water to the mixture until you achieve a thick mud-like consistency. Gather some vermiculite onto a trowel, and place it onto the damaged section of the pool floor. Also to know is, how much vermiculite should I use in my pool? The ratio is 2 bags of Vermiculite to 1 bag of cement. The Vermiculite and cement go into the mixer and then you’ll add about two and a half 5-gallon buckets of water, until you reach an oatmeal consistency that you can trowel easily.How long does vermiculite take to cure? three to five days
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