CM2007 Penetrating Sealer at Chick-Fil ABy Site Publisher / May 20, 2024 Chick-Fil A, Federal Way, WA uses CM2007 CM2007 Penetrating Sealer is applied on CMU walls for waterproofing, water repellency, and stain protection of exterior manory walls. Specified by CRHO Restaurant Architects, Tustin, CA and Installed by Engineered Stuctures, Meridian, ID