and 5 isolated air chambers, or with 6 chambers and 80 mm installation depth, system in both cases, the requirements placed on the buildings with low energy consumption, the elite housing. (possibly rounded frame with 80 mm installation depth) (with standard cladding).
– Installation depth: 70 mm / 80mm.
– The chambers: 5 chambers / 6 chambers.
– Thermal insulation: Uf = 1,3 W / m² K.
– Sound insulation: up to the sound insulation class No.5.
– Leakage Class: relevance to the class C.
– Protection against intrusion: up to class No. 3.