I was planning on filling in the single expansion joint groove in my new garage with Rustoleum Epoxyshield, before using Epoxy-coat.
Is it a good idea to do that or should I abandon the plan and let the groove remain? Will the expansion joint still work if it is filled in with epoxy filler?
Is it a good idea to do that or should I abandon the plan and let the groove remain? Will the expansion joint still work if it is filled in with epoxy filler?

