Lowes flashing Period. Technically skilled labor force. W X 10 ft. . 040" thick!) welded to create a strong, permanent and watertight joint which is far superior to a field ­formed kickout that is sealed with caulking works on any roof pitch will not deteriorate like plastic flashing our powder­ coated aluminum will not break down due to alkali hydroxides from concrete materials. . W X 10 ft. $54.