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How do I Prevent Sand From Washing Away From Under an Above Ground Pool?

A luxury orange cocktail at the swimming-pool image by Ivonne Wierink from Fotolia.com

Manufacturing companies have made above ground pools much more affordable by designing the products with more economical materials such as vinyl, which provides an easier assembly by the pool owner. Whether you own a vinyl or aluminum pool, you will need a sturdy foundation, and sand is recommended by the manufacturing companies. Although their instructions may give you coordinates and amounts of usage for the sand foundation, it may not give you any tips on how to maintain or build up a sturdy one. Sand foundations can wash away if they are not built up properly.

Choose an area that doesn't have too much water flow from rainfalls. If you cannot find a proper spot, provide drainage before building your foundation. Contact a plumber, contractor or pool supply store to see if there is anyone in your area that can provide this service if you are not familiar with the process.

Clear an area that is about 4 feet larger than the circumference of your pool. Dig out the ground with a shovel and use a leveler throughout the area to make sure it is level. Place 2x6 lumber planks and place joints at each intersection to form a squared foundation.

Red Pea Gravel Walkway image by Allen Stoner from Fotolia.com

Place a cinder block inside the foundation area where each pool post will be resting and layer the inside of the boarded foundation with pea gravel, and then sand. Make sure the sand and cinder blocks are flushed with each other, and then rake another layer of pea gravel over the entire area. Use a leveler to check that the foundation is level before assembling the pool.

  • Choose an area that doesn't have too much water flow from rainfalls.
  • Place a cinder block inside the foundation area where each pool post will be resting and layer the inside of the boarded foundation with pea gravel, and then sand.

Place a plastic liner or specialized padded liner over the foundation area. Assemble your pool per the manufacturer's instructions, making sure that each post is resting on a cinder block.

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