Adding sand to the bottom is usually preferred as it is less expensive.
Sand cement mix for pool bottom.
A special mix and blend of concrete made at the redi mix plant used specifically for inground pool bottoms.
Above ground swimming pools are generally less expensive and more for the budget minded consumer.
A sand and cement pool floor tends to be a little harder and more abrasive on the liner than using a vermiculite mix but is still a great pool floor option.
The ratio here is 4 parts masonry sand 1 part portland cement type i or ii.
Once the sand floor is troweled smooth exit the pool and immediately install the pool liner before debris blows in or rains come your way.
Mix it with water in a rotary mixer and deliver the mixed material in 5 gallon buckets handed into the pool.
Mix mortar for laying flagstones flooring bricks and tiles.
If you add lime the mixture will be 15 gallons of sand 6 38 gallons of cement and 1 12 gallons of lime.
Sand or vermiculite for my above ground pool.
It is probably the most durable pool bottom harder than vermiculite.
A concrete pool floor is the best pool bottom you can get and the only way a top inground pool builder will build.
One ton 1 cubic yard will cover 162 sqft of the area.
No water needed for this just keep it at a four to one ratio and mist it when done to help it set.
Sand cement grout mixes produce a concrete that is not porous and that will not let water pass through it when hydrostatic pressures build up under the bottom of your pool.
Clean all loose debris rocks sticks etc from the pool.
For starters when properly installed this mixture will outlast packed sand or sand cement bottoms due to its high adhesion characteristics which prevents wash outs and liner abuse due to abrasions.
There are varieties of materials to use for pool base sand cement and vermiculite cement.
Plaster mortar based plaster is a product made from cement powder and very fine aggregates.
This pre mix is a porous but rigid liner base which offers numerous benefits to both the pool installer and the pool owner.
Use a ratio of 3 parts sand to 1 5 parts cement.
It will also make the mortar more waterproof.
Sand cement 5 1 ratio sand to cement one ton of sand equals one cubic yard.
Pre mix pool krete pool crete the top choice among builders though is pre mix also commonly referred to as either pool krete or pool crete.
If your pool contractor is using sand to put in your pool bottom fire him on the spot.
Use type ii portland cement.
Different pool bottom options.
Adding hydrated lime to the mixture will reduce shrinkage cracks.