Anchor attachment through sheathing only requires the use of a backer board as shown at section 2.0 and Fig.4.1. Use SAS supplied 3/4 x 6 x 12 in CDX plywood backer No. 2053 requires two 1-1/4 in screws for attachment to 7/16 in substrates.
2053 requires two 1-1/4 in screws for attachment to 7/16 in substrates