Doors

Frame depth: 74 mm
Number of chambers: 5 chambers
Thermal resistance: Uf= 1,33 W/m²K (double pane glass)
Thermal resistance: Uf= 0,87 W/m²K (triple pane glass)
Sound proofing: sound proofing up to Rw,P = 47 dB
Burglary resistance: up to security class 2 (DIN V ENV 1627)
Air tightness: class 4 (DIN EN 12207)
Water tightness: up to class 9A (DIN EN 12208)
Doorsill: there is no doorsill, in its place there is a frame profile
Opening direction: inwards
As a paired door, the opposite side can be locked using corner sliding bolts.

Frame depth: 82,5 mm / impact liner
Number of chambers: 6 chambers (sash), 7 chambers (frame)
Thermal resistance: Uf up to 0.75 W/m²K
Sound proofing: up to Rw,P = 48 dB
Burglary resistance: up to class 3 security
Air tightness: 4 (DIN EN 12207)
Water tightness: 9A (DIN EN 12208)
Opening direction: inwards
As a paired door, the opposite side can be locked using corner sliding bolts.

Constructions depth: 74 mm / impact liner
Number of chambers: 4 chambers (sash), 5 chambers (frame)
Thermal resistance: Uf up to 1.1 W/m²K
Sound proofing: up to Rw,P = 40 dB
Burglary resistance: up to class 3 security
Air tightness: class 4 (DIN EN 12207)
Water tightness: up to class 9A (DIN EN 12208)
Doorsill: aluminium + 2 seals
Lock and handle: lock cylinders and handles through the door panel
Opening direction: inwards or outwards
As a paired door, the opposite side can be locked using corner sliding bolts.