1. Make sure the subfloor in clean and dry. When installing over bare concrete floor, install first a vapor barrier.
   
   
2. When installing floating floors (laminate or wood) the DURA-SON is loose laid, not glued to subfloor. Always install black side face down.
   
   
3. Glue down engineered hardwood floors, the DURA-SON, as well as the floor must be glued down (black side down).
   
   
4. DURA-SON may be installed parallel or perpendicular to laminate flooring.
   
   
5. DURA-SON seams must be placed tightly together and preferably taped with duct tape.
   
   
6. Always follow hardwood manufacturers specifications.

N.B.: DURA-SON MB to be installed ONLY under floating floors, loose laid and not glued down.

N.B.: For installation under ceramic or vinyl tile only use DURAQUIET.