I bought a roll of FloorMuffler UltraSeal underlayment (essentially, sealed high-density foam) at Home Depot for this project. The instructions are very specific about which adhesive to use: "To be ...
This question is related to another question I posted earlier. I glued FloorMuffler underlayment to concrete using Roberts Engineered Wood Flooring Adhesive. The instructions say "open time up to 20 ...