Ancon ST1 Type 1 Tie (Masonry Heavy Duty)
The Ancon ST1 250mm is suitable for cavities 101-125mm and can be used for all types of buildings of any height, anywhere in the British Isles. The section that spans the cavity has a series of holes to provide water drips. The ST1 has a measured dynamic stiffness of <113MN/m3 that meets the performance requirement of Approved Document E for use in external masonry walls. For internal separating walls of new-build attached dwellings see HRT4. Type 1 performance is declared in M2 mortar.