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BowTie is a wall tie system for connecting masonry walls to internal timber joists.
Standard helical BowTies may be used when installing into joist ends. Installation involves driving one end of a self-tapping, stainless steel, helical tie through the wall and into the end on joist to a minimum depth of 75mm. Depending on the circumstances, the tie may be either dry fixed into the wall or bonded into it with resin.