How much does pool pool replastering cost?

January 7, 2024

If you recently installed a concrete pool in your home or backyard, maintenence is important to you and you want to keep it looking great.  Many pool owners pay a pool service to regularly clean it and properly adjust it and add chemicals.  This is to provide assurance that your expensive investment is protected with expertise. Too often, fly by the night pool cleaners can cause more harm than you can imagine.  They often offer the lowest prices to gain clients and they do not have expertise, training, or skills to properly deal with plaster finish pools. The end results can be expensive repairs.

After about 5-10, (or sooner if your pool water chemistry is off)  years, an in-ground swimming pool with a plaster finish may start to show signs that it’s time to have the plaster redone. Warning signs include metalic stains, wear spots where the concrete or shotcrete shows through, and roughness of the surface that makes it uncomfortable to walk or sit on. (If it is unpleasant to run your hand along the side of the pool or to climb up the stairs, your plaster may be wearing out.) Keeping your pool’s plaster in great shape is also important because the plaster increases the pool’s structural value and integrity.

Pool plaster cost

The typical cost to have a pool replastered is between $30 and $50  per square foot in Wisconsin.  Prices for plastering are far less in Florida due to the quantity of pools and much longer seasons. Therefore, it’s impossible to compare Florida and Texas to Wisconsin.  Assuming an average pool size of 16 feet by 32 feet, 4 feet deep on the shallow end and 8 feet on the deep end, that’s total of 1,088 square feet. If the cost is $29 per square foot, replastering would cost $31,552. If you are not certain if replastering is called for, your pool may be a candidate for resurfacing, you should have a pool repair company like Pool Envy in Green Bay, Wisconsin, or Pool Envy in  Texas, come and inspect it for you.

pool plastering

Pool replastering cost

Replastering a pool is best done by an experienced professional with appropriate expertise and equipment. The typical process is as follows:

  • Clean and drain the pool, remove debris, and hydroblast, chip, or otherwise remove the old plaster however appropriate
  • Bond Kote the surface to ensure your new plaster sticks without coming off immediately after re-application
  • Apply the new plaster with a pump and sprayer to ensure your new finish is monolithic and free of cold-joints.
  • Expose the plaster finish correctly to ensure that the softer calcium hydroxide is not left behind
  • Never acid wash a new plaster finish – you pool wash the new finish to remove any calcium hydroxide remaining
  • Never trust a pool company that uses muriatic acid directly on new plaster.  This is a very old technique and can ruin the warranty of your new plaster installation.
  • Bicarbonate wash the swimming pool to close up the capilaries in the pool plaster and
pool plaster

pool plaster – Spraying Permakote


Pool condition

If the plaster on your pool’s surface is in really bad shape, your cost will go up to cover any additional repairs that may be required. Other repairs like replacing tiles will add to the cost as well. If your pool has stains from minerals in the water like copper and iron, magnesium, cobalt etc,  your pool expert may recommend options to help prevent future issues.