EZ Seal Metal Primer promotes bonding of EZ Seal liquid-applied roofing membranes to various metal substrates. Malarkey Roofing Products® EZ Seal System is waterproof, flexible, self-adhering, and ideal for access-restricted and difficult waterproofing conditions. EZ Seal conforms and bonds directly to the substrate, eliminates the need for caulk and pitch pans, and is virtually maintenance-free.