Cavity Wall Ties

Cavity Wall Ties are used to join two leaves of a cavity wall together, allowing the two parts to act as a homogeneous unit. They are made of metal that span the Cavity and Tie the internal and external walls of bricks or blockwork together. The ends of the tie are designed to lock tightly into the mortar. The Ties are also designed to prevent water transfer from the outer to the inner leaf of the wall, this often takes the form of a twist in the tie or, if a wire tie, corrugations formed in the wire