Robins and Morton subcontracted General Caulking and Coatings, Inc. to install Reef Industries T 105 vapor barrier under all slabs on grade and detailed all pipe penetrations. Neogard Auto-Gard FC T pretextured vehicular coating was installed at parking garage roofs after all precast double tee joints and wash pours were caulked. Protecto Wrap air barrier was installed over concrete and masonry prior to ACM panels being installed. All precast panels, doors and louvers were double caulked with Dow Corning’s 790 silicone sealant. All elevator pits and three (3) Proton pits were waterproofed with WR Grace’s Preprufe 300R sheet waterproofing.