Hi all. New to the board and was wondering if anybody had any experience with Mapei 975. A local dealer swears up and down this is the greatest thing for gluing down engineered hardwood to concrete slab. I was under the understanding that gluing down wood to a concrete floor required the use of an adhesive with a moisture barrier. I can't seem to find any literature that says this stuff has a moisture barrier. I was going to pick up Bostik's best but was talked into this stuff as it was about $15/bucket cheaper. I know next to nothing about this stuff so any input would be greatly appreciated. Thanks.

It has a high limit of 85% rh in the slab which is average. There are better ones.