Sonotubes For Inground Pool Kits And When To Use Them

PoolKits | December 18, 2017

What Should I Use Sonotubes?

The main reason to use Sonotubes with your inground pool kit would be, Unstable Earth like sandy soil or loose dirt. If you choose to back fill your pool kit walls with dirt, and not gravel, then the dirt may settle over time and leave voids under your deck. After pouring the concrete collar around the perimeter of the pool we at Pool Warehouse recommend backfilling with #57 3 quarter inch clean gravel. We also recommend using optional deck supports and Sonotubes if you encounter sandy soil or loose dirt.

More Support For The Deck!

The Sonotube is basically a form for a concrete column to connect your pool deck to the footing that you pour around the pool kit walls. Before backfilling or before you pour the footing detach the polymer Sonotube brackets from the brace (only on select polymer pool braces) and insert the bracket into the pre-molded square hole in the brace top and bottom. To make the tube for your Polymer SonoTube brackets use either 4” DVW (drain waste and vent) pipe or pre-made cardboard Sonotubes; then cut them so they are level with the top of the pool wall brace.

Next remove the sonotubes from the pool wall braces pour your concrete footing (collar) and before the concrete hardens insert the Sonotubes back in the brackets; make sure to insert them about half down through the concrete footing. When you are ready to back-fill you swimming pool kit, tape the tops of the Sonotube up to keep the backfill material out. Finally When you are ready to pour your concrete deck around the pool, remove the tape and let the concrete fill the Sonotubes. Depending on how many tubes you use you will have to figure extra concrete when pouring the pool kit deck.

A rule of thumb is 20 tubes will require 1 extra yard of concrete.

Sonotubes For Inground Pool Kits

sonotubes held in place

Inground Pool Kits

In ground Pool Kits

Inground Pool Kit

Sonotubes For Inground Pool Kits And When To Use Them

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