Sand Cement Pool Bottom

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.

Sand cement pool bottom.

Different pool bottom options sand. Above ground swimming pools are generally less expensive and more for the budget minded consumer. A concrete pool floor is the best pool bottom you can get and the only way a top inground pool builder will build. The ratio here is 4 parts masonry sand 1 part portland cement type i or ii.

The rough excavation should be 2 below finished depth. 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. If you re still unsure of which sand you want to use for your swimming pool project we recommend speaking with a local expert such as braen supply. Adding hydrated lime to the mixture will reduce shrinkage cracks.

The more vermiculite that is used the weaker the concrete will be. Pre mix vermiculite and a sand mix. Vermiculite bottom a vermiculite bottom pool is a mortar mix that uses some sand and some vermiculite as the aggregates. The more vermiculite that is used the weaker the concrete will be.

There are three types of pool bottom materials that can be used for inground vinyl pool construction. Final swimming pool floor grade. Pre mix vermiculite pool floor. Step 8 prepping the bottom.

Sand portland cement the combination of sand and portland cement is the next step up from using sand and merging. There are varieties of materials to use for pool base sand cement and vermiculite cement. No water needed for this just keep it at a four to one ratio and mist it when done to help it set. A special mix and blend of concrete made at the redi mix plant used specifically.

Mix mortar for laying flagstones flooring bricks and tiles. Sand or vermiculite for my above ground pool. Your strings should be set up at finished. Adding sand to the bottom is usually preferred as it is less expensive.

It s true that concrete sand is an excellent choice for creating a level surface beneath an above ground pool but the particle size of the sand may be bigger resulting in the chance for voids. Use a ratio of 3 parts sand to 1 5 parts cement. A sand floor will need to be re troweled whenever the liner is replaced in the future. If your pool contractor is using sand to put in your pool bottom fire him on the spot.

Keep in mind this type of floor material is much more likely to leave foot prints and impressions that you can still see even after the liner has been installed. The most common and also the most expensive pool bottom is a pre mixed vermiculite sold as pool base or pool mix. A combination of portland cement sand and vermiculite.