Ul Approved Duct Tape

Ul 181a p is the standard for hvac tapes used to seam seal and join rigid ductwork or duct board.

Ul approved duct tape.

Unfortunately i have come across some red mastic which is designed for commercial use. The tape excels in a variety of temperatures and environmental conditions including high. All duct mastics for residentialsystems are water based. As i recall ul 181 foil faced tape was rated as a sealant only when applied on duct board with an iron and squeegeed.

Conformable foil is excellent for rigid duct board applications. Af 099 aluminum foil hvac tape that s ul 181a p b fx listed for use on rigid fiberglass ductboard and flexible air duct. Nashua 324a cold weather foil tape is ul code approved for sealing class 1 rigid 181 amp p or class 1 flexible 181b fx duct joints and connections. Connect the duct segments then mechanically fasten each connection with 1 4 inch sheet metal screws.

Indicates that the tape helps achieve full system closure when properly applied to ensure the effectiveness of your reflective insulation. Nashua 324a cold weather foil tape is ul nashua 324a cold weather foil tape is ul code approved for sealing class 1 rigid 181 amp p or class 1 flexible 181b fx duct joints and connections. With a heavy duty foil backing that is printed for easy inspection and an aggressive acrylic adhesive nashua 324 amp is the ideal choice for heating. This listing has more stringent testing requirements that must be passed in order to be approved and must be made of either aluminum or aluminum alloy foil with a minimum width of 2 5 inches.

Aluminum foil hvac tape for joining and sealing joints connections and seams on rigid fiberglass ductboard and flexible air duct and can also be used in place of mechanical fasteners on rigid ductboard. Cloth duct tapes pc 858 pc 858ca cec approved ul 181b fx listed printed cloth duct tape california energy commission cec approved cloth duct tape used in the hvac industry to seal seam and join class 1 flex duct and can also be used to seal flex duct to fitting joints without being in combination with mastic. With a heavy duty foil backing that is printed for easy inspection and an aggressive acrylic adhesive nashua 324 amp is the ideal choice for heating ventilation and air conditioning. The redstuff is petroleum based and should be avoided.

Prevents inspection failure due to using a tape that does not meet code. This ul181a p listed silver adhesive tape is approved for use on rigid air ducts and is rated for flame spreads and smoke development. Ensures that the tape has been rigorously tested for adhesion and resistance to thermal cycles preventing tape failure. 5 wrap the outside of the joint seams with ul approved 181a aluminum foil backed duct sealing.