How many staples will I need to purchase for the SX150-BHF-2 to install 7/16" max. hardwood flooring in an average room? Support October 03, 2020 18:19 Approximately 2,000 staples are required for every 200 sq. ft. of 7/16" max. flooring. Related articles I own the MIIIFS flooring stapler, but I want to use flooring cleats. Comments 0 comments Please sign in to leave a comment.