Door size :W 800/900/1000, H 2000/2100, T 76mm
Frame :Aluminium 6063 T-5
Weight :70-90 kg.
Acoustic class :STC45 (ASTME90-99)
Panel details : Medium density fiber board damped with sound insulation
and absorption materials. Acoustically sealed with doubled
flexible silicone gaskets in all 3 sides of frame, and class-3
ADR automatic seal installed at the bottom.
Application : Lecture room, Concert hall

Door size :800/900/1000, H 2000/2100, T 102mm
Frame :Aluminium 6063 T-5
Weight :90-115 kg.
Acoustic class :STC50 (ASTME90-99)
Panel details : Pre-treatment Medium density fiber board damped and filled
with acoustic materials. Doubled acoustic EPDM seals and perforated
noise trap in all 3 sides of extruded aluminium frame.
Class-4 ADR automatic drop seal installed at the bottom.
Application :Concert hall, Music practice room