Type 4 wall tie for use in the external walls of houses and small commercial developments up to 10 metres in height. It is also a Type A tie for internal separating walls of buildings of any height. Suitable for 76-100mm cavity width Includes multi drip feature to prevent moisture travelling across the cavity The Staifix HRT4 has BBA approval and meets the technical requirements of the NHBC CE Marked 1 box contains 250 ties. The Ancon HRT4 Staifix wall ties are suitable for use in external walls of houses that are a maximum of 10 metres high. The property must also have a cavity in the range 101mm to 125mm. As a Type A tie, it is suitable for use in internal separating walls of new-build attached dwellings with a 125mm cavity. Ancon Stairfix RT2 Wall Ties - 250mm Long - 101 to 125mm Cavity The Staifix RT2 is suitable for cavities from 50mm to 150mm and can be used in the construction of domestic houses and small commercial buildings up to 15 metres in height. Altitude and wind speed restrictions may apply. The Staifix RT2 is CE Marked and can be used in line with NHBC standards. 225mm stainless steel wall ties are suitable for masonry cavities in domestic housing up to 2 storeys. Boxed in 250no. ties.