Expansion to the Staifix range of Stainless Steel Wall ties from Ancon Building Products includes the Staifix 'stf' wall tie. Designed to fix masonry to timber frames up to four storeys in height, it is now available to suit a 100mm cavity. Other variations of this tie suit 50mm and 75mm cavities. The product meets Part E of the Building Regulations as a Type B tie for external cavity walls.