These sliding doors offer great weather performance with water-tightness of Class 9A. Profile depths of 50mm are capable of accepting glazed units up to 32mm and allow good thermal performance of around 1.8W/m2K. With maximum leaf weights of 400kg these doors can be used with leaf sizes up to 3000mm wide or 3000mm tall are possible. The lift and slide operation makes them secure and easy to use. Through the use of extended locking keeps we allow for secure trickle ventilation to conform with the Building Regulations.