The Pos-I-Tie® anchoring system was the first barrel screw brick veneer anchor that anchors brick veneer to backups with exterior insulation in the cavity. The Pos-I-Tie® barrel screw penetrates the sheathing, makes positive contact with the backup and seals the hole at the exterior preventing air and moisture. All compression and tension loads transfer between the backup and the veneer without affecting the sheathing. The barrel loop in the cavity accepts the 3/16” diameter wire ties for tying the brick veneer to the backup. This time-tested system was introduced in the mid 1980’s.