Engineered and tested to perform, Simpson Strong-Tie hangers are manufactured to the highest quality standards for structural strength and safety. DHU face-mount hangers are designed to carry joist floor loads to a wood stud wall over two layers of 5/8-in. gypsum board (drywall). These hangers install after the drywall is in place. DHU Face-Mount Drywall Hanger for 3-1/2 in. x 18 in. Engineered Wood with SDS Screws (Pack of 10).