Type 4 Stainless Steel Masonry to Masonry Wall Ties.
WTS4: Type 4 Wall Ties: Masonry Light Duty
Type 4 wall ties are light duty, suitable for box-form dwellings up to 10 metres high with leaves of similar thickness, including internal separating cavity walls. Use in flat sites in towns and cities where the basic wind speed does not exceed 25 m/s and the altitude is not more than 150m above sea level.
WTS4: Type A Approval
WTS4-200 and WTS4-225 ties meet the requirements of Approved Document E: Resistance to the Passage of Sound and are suitable for use in separating party walls of new build attached dwellings.