Nashuaå¨ 324A Aluminum Foil TapeSku: 461610
This aluminum foil tape is ideal for trapping and sealing joints and seams on fibrous duct boards. It has a thickness of 7.2 mil and a length of 60 yards.
It's safe to use this aluminum foil tape. It's UL-listed (6N28 181A-P) and has a flame spread rating of 3 and a smoke development rating of 0.