Specialty Screw - Often referred to as an "Elite Screw" - Sold Individually
This Self Drilling Tek with Neo Washer is specifically designed to Secure 3" Insulated Foam Panel Roofing Material to the Connecting Beam.
Along with the rubber of the Neo Washer it is recommended to also apply a dab of Caulk, for an absolute seal eliminating any water leakage.
(Caulk is Available in our Cleaners, Lubricants, Sealants and Paint Category)