End caps are idealy made from great quality galvanized steel. They serve as the best fittings to use when you terminate a duct run. They are the best fitting for sustaining a professional look, especially if your duct system is uncovered.
Installation tips and tricks – To prevent any air leakage it is recommended that you seal the seams with a duct sealant after installation. This will aid in reducing utility bills and making the system more efficient.