How to Build a Swimming Pool from Wood and Plastic

Last Updated: November 28, 2023

You will require a lot of 2" by 4" pieces of wood, at least 8 as long as you want a side of the pool, and a lot of other ones for the bracing, at least 20 braces will be needed depending on height of pool.

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find out what height you want the pool and then cut wood to that length minus the width of the 2" by 4".
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Attach them on the front side of the bracing.
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You can either design your own bracing or use this one. Build a box of 2" by 4" the height of the pool with another piece of 2" by 4" on the inside going diagonally. Try to make sure the wood on the inside goes from the top of the pool wall to the ground at the bottom of the base.
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Attach the walls together by either putting them together and screwing the sides in, or you can use a block on the corners and connect them. The first one is the simpler and easier one, you just require long screws.
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Put the pool liner inside the pool walls you have connected, and then screw 1" by 4" or 1" by 3" into the top of the pool walls to secure the plastic.
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Question

All I can find is oval and round pool liners. Where can I find a square one?

Community Answer

Any pool supplier will provide liners built to fit any pool you build. Try Doheny's Pool Supplies.

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What thickness of plywood is needed?

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It all depends on what size the pool is going to be. For any pool larger than 6 foot, use plywood between 25-40mm.

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What is the black stuff shooting out of the pipe on step 9? Black cement?

Eeshma

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That was the water. It was drawn as black to make the water pops out for your eyes because the background is blue.

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You do not need to set up a pump to fill the pool, but it would help to keep it clean.

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If you don't put chemicals into the pool or use the new UV method, then the pool will get disgusting over only a few days at max, possibly a day at minimum.

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You can line the floor of the pool with plywood to try to help it, but it doesn't matter.

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Warnings

The deeper the pool is, the greater the water pressure pushes the walls out. Be prepared for catastrophic failure of the walls.

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Water will leak out, you'll have to clean it up or the floor could be warped depending on how much.

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How to Build a Swimming Pool from Wood and Plastic

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