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  • Billy Fritz

What is Bond Coat and Why do I Need it?

Updated: Feb 21

Renovating can be a daunting and costly project for pool owners. It is important to understand all costs associated with the renovation and the how different materials can affect longevity of a pool. Pool plaster delamination occurs when a new coat of plaster has separated from the old layer beneath.

Bond coat is the most effective way to prevent delamination. Bond Coat material is an acrylic modified cement and sand mixture. It is made of one-part resin and one-part bonding cement is mixed and then rolled or sprayed onto the pool wall and floor. Bond coat is used to mechanically bond new pool coatings over existing plaster finishes. It is the most effective way to ensure a uniform application of the plaster.

on is present, it’s an indication that the old bond coat will no longer support a new finish. Large amounts of delamination may indicate that a proper bond coat was not used with the previous plaster. When this happens, the old material must be removed before the pool can be replastered.


If delamination is present, it’s an indication that the old bond coat will no longer support a new finish. Large amounts of delamination may indicate that a proper bond coat was not used with the previous plaster. When this happens, the old material must be removed before the pool can be replastered.

To ensure that the plaster manufacturers’ warranty is not voided, Tile Concepts does not mix their own bond coat. Our team uses SGM Bond Kote™ which is a specially formulated two-part cementitious coating, designed to be used as an ideal substrate to mechanically bond pool plaster over existing plaster finishes. It minimizes delamination problems by offering superior bonding capability.