The plaster's plaster coating and/or surface may become less durable over time. Depending on your region, you may need to treat your pool every ten years or more. First, spalling and cracks must be fixed. Then the pool shell needs to be prepped. The prep will remove all plaster and make the surface rougher so that new layers can bond to it. The prep is done with a variety of techniques, including chipping, chemical surface engraving, and sandblasting.
The materials and cost of patching a vinyl pool are approximately $100-$500. You can expect to pay an additional couple hundred if you hire a professional to do the job.
Remember that resurfacing a swimming pool is not an easy DIY project. You can end up with a leaky pool that could cause major damage to your backyard and house.
replastering