27GA PRE-PAINTED GALVANIZED STEEL◆R-14.7 POLYURETHANE CORE◆6 RESIDENTIAL PRODUCT LINES◆CALIFORNIA SUPPLY◆TONGUE-AND-GROOVE CONSTRUCTION◆27GA PRE-PAINTED GALVANIZED STEEL◆R-14.7 POLYURETHANE CORE◆6 RESIDENTIAL PRODUCT LINES◆CALIFORNIA SUPPLY◆TONGUE-AND-GROOVE CONSTRUCTION◆