Flooring installer Ken Ballin shares the story of the most nerve racking install he's come across so far in his career. He installed more than 1,000 sq. ft. of glue-down engineered hardwood over self-leveling underlayments in a condo in Ocean City, New Jersey. The SLU was meeting up to two bathrooms, poured separately, that were getting tile floors of a different thickness. He used Bostik SL200 in the baths and LiquiTek by CMP Specialty Products everywhere else.