HILTI CF 812 WINDOW & DOOR FOAM (6 CAN), BEST INSULATIONHILTI CF 812 WINDOW & DOOR FOAM THIS LIST IS FOR 6 (SIX) CAN 22. 5 OZ. FEATURES LOW PRESSURE MINIMIZES DISORTION OF WINDOW FRAMES REMAINS FLEXIBLE AT MOVEMENT REDUCED THERMAL CONDUCTIVITY RESTRICTS AIR INFILTRATION AND CREATES A WATER RESISTANT SEAL TESTED AS A LOW PRESSURE INSULATING MATERIAL FOR WINDOW AND DOOR FRAMES (AAMA 812 APPLICATIONS INSULATING WINDOW FRAMES SEALING DOOR FRAMES RESTRICTING AIR INFILTRATION WITHIN ATTICS VERTICAL WALL JOINTS