Passive house ladders for a perfectly insulated ceiling
Attic stairs model Klimatec 160
UD-value = 0,34 W/m2K total component
tested by Passivhaus Institut Darmstadt according to Certificate No. 0836as01
30 minute fire-retardant
EI230 tested according to ÖNORM 3860, EN 1634-1, EN1363-1
Air tightness class 4
tested according to EN12114 and EN 1026 by TU Graz according to test report
No. B16.023.001.111
