homermex Posted August 27, 2006 Report Share Posted August 27, 2006 they just finished pouring my concreate deck. Between the deck and the coping is a thin foam. a friend said they have to come back and put seal on top of that foam. Is this true? Quote Link to comment Share on other sites More sharing options...
G-MAN Posted September 1, 2006 Report Share Posted September 1, 2006 they just finished pouring my concreate deck. Between the deck and the coping is a thin foam. a friend said they have to come back and put seal on top of that foam. Is this true? YES, if you live in an area that experiences freeze-thaw conditions, the expansion joint should be sealed to keep freezing water from destroying your coping and tile. Unfortunately, most pool builders do not caulk their pools even though they know better. You should wait 20-30 days for the new concrete decking to cure before any type of sealant is applied. Use a polyurethane caulk, the self-leveling is the best. Quote Link to comment Share on other sites More sharing options...
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