is built into the inner leaf of blockwork ready to take an Ancon SD28 or similar tie for the outer leaf. Fastrack can be used to overcome problems associated with coursing that may occur when one leaf of the cavity is built in advance of the other.
Ancon Fastrack Channels and Ties suit cavities from 50mm to 150mm and can also be used for tying stonework to blockwork if DD28 or similar Ancon Ties are used.