KS430 Lift & Slide Door (uPVC Aluminium Clad)
7 January 2021
Internorm have only done it again! The KS430 is the second Internorm Lift & Slide that is PassivHaus Compliant. uW0.64 and a Class 4 Air Tightness. Available up to 5.8m wide x 2.8m high. Extremely cost effective but super high performance, an incredible system.