Lift and Slide doors as well as tilt and slide doors are available in both UPVC and Aluminum.  We also offer folding window walls as well as large pivot doors to meet whatever style your project demands.  All doors are available with a variety of hardware options and come in custom sizes up to 20 feet in length and approximately 9 feet in height. While these doors are similar in appearance to traditional sliding glass doors, their design allows them to have drastically better air sealing performance.