Thinset sticks just fine to plywood, but that’s not really the question in your post. First question is to back up and ask what you’re doing exactly. If you’re attaching backerboard to plywood, thinset does not behave as an adhesive.Click to see full answer. Simply so, can Thinset be used on plywood?Thinset is the wet base that you first trowel on the plywood to make the tile stick. Higher latex content is essential for bonding to plywood. A quality unmodified thinset should be used and mixed with a latex additive.Secondly, does mortar bond to wood? In any case, to bond tile to wood, you must use a flexible thin-set mortar with a latex additive. Wood shrinks and swells with humidity and frosts, which can break the bond between ordinary tile and thin-set. People also ask, can Thinset stick to wood? Specialty Thinset Whatever type of plywood you are dealing with, you need to use a rated thinset mortar that is designed to be used with wood. Most thinsets are designed to only work with a concrete or fiber board underlayment, not with wood.What does Thinset adhere to?Thinset mortar is often the adhesive of choice for installing ceramic, porcelain or stone tiles. Behaving much like cement or mortar, this material creates a tight bond between surfaces that can stand up to the weight of the heavy tiles.
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