This is a 1 hour fire rated wall with STC 35 min. This is a 2X6 wood stud at 16″ O.C. with 5/8″ type X gyp board with moisture resistant gyp board on each side of the wall so this can be used at bathrooms. Add to wish list $2.00 – Purchase Checkout Added to cart You must log in to submit a review. Username or Email Address Password Remember Me Buying Options Add to wish list $2.00 – Purchase Checkout Added to cart