Just put the carpet down under the pool with the plush side up.
Tarp under pool liner.
Depending on how soft you want your pool floor to be you may need two layers of carpet padding beneath it to be effective.
Allow an extra 2 feet on all sides 4 feet more than the pool diameter to ensure that the cover is large enough to drape over the pool sides.
Use it like sand or clay in thick layers to build a shaped layer beneath your pool liner.
10x12 tarp waterproof plastic poly 5 5 mil thick tarpaulin with metal grommets every 18 inches emergency rain shelter outdoor cover and camping use reversible blue and silver 10 x 12 foot.
Reviewed on jan 11 2015 10 others also recommend for pools quick look 6 x 8 super heavy duty 16 mil brown poly tarp cover thick waterproof uv resistant rot rip and tear proof tarpaulin with grommets and reinforced edges by xpose safety.
If you re considering carpet padding for use under an above ground swimming pool s floor go with one that s rated for high traffic areas.
Plan to use it as a ground cover under a pool.
The carpet provides good protection from the stones and pebbles that could cause a tear in the liner but it does not provide as much cushion and uniform surface for cleaning as the foam tiles do.