We're flexible. 3M™ Shaft Alternative and Protective Wrap Systems are the quick and easy way to protect grease ducts, ventilation air ducts, return air plenums, emergency circuits, structural steel and more. These flexible wrap products make installation a breeze, even around corners.
Over the past 20 years, we've provided training for more than 5,000 code officials, architects, contractors and firestop professionals at our online fire-test center. These two-day classes fill up fast – sign up today!