Ties the masonry veneer to the substrate. The The Concrete Seal Tie's screw portion has special alternating threads making it suitable for use with concrete, CMU, wood stud or brick backup, and is provided with EPDM sealing washers.Consists of a Concrete Seal Tie combined with the 2-Seal Byna-Lok Wire TieThe special point affords easy installation into a predrilled hole.Barrel portion available in 58", 1", 1-12", 2", 2-12", 3", 3-12", 4", 4-12", and 5" lengths to accommodate thickness of insulation andor wallboard.