The Pergowin Sliding Frame Glass system is a sliding system designed with threshold. It offers up to 16.8 sqm coverage and is available with 5+11+5 mm. tempered double glazing with the required number of sections up to 5.6 meters in width in one side operation and will be doubled with two sides operation option. Thanks to its clever extra light roller system and silent locking system, users can enjoy smooth manual operation between each section while the system is extended or retracted.