1. Silver Silent Guard Quality Underlayment for Laminate Engineered Wood amp Floating Hardwood Flooring Installation Options amp Instructions Be sure the subfloor is solid clean and dry A moisture test is recommended before all flooring installations For SUSPENDED ON GRADE or BELOW GRADE floors Roll Silver Silent Guard underlayment over subfloor moisture barrier down For SUSPENDED ON GRADE Silver Silent Guard can be installed moisture barrier up as a spill guard protector For ON GRADE or BELOW GRADE where moisture is a concern install Silver Silent Guard moisture barrier down Recommend taping seams underneath against subfloor Seams need to be butted together flush do not overlap the pad Tape seams with water and tear resistant utility grade polycoated tape that has an aggressive adhesive Install flooring according to manufacturer s installation instructions