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Tehnische Zeichnung SN-2

Acoustic performance door

System Schröders SN-2

Double-leaf acoustic performance steel door

Acoustic performance * depending on size see
assessment 820SST298-Hrd - TÜV Nord (de)
Thermal transmittance

UD-Wert ≥ 1.2 W/(m²K) according to EN ISO 10077-1

Behaviour between different climates according to EN 12219 (deflection) class 2 (d + e)
according to EN 12207, up to class 3
Resistance to wind load
according to EN 12210, up to class C4
according to EN 12208, up to class 3A
Ability to release
Resistance to positive and negative pressure
up to 3,800 Pa
Installation in outer walls
CE-Zeichen marked according to DIN EN 14351-1
Technical data
standard dimensions
width from 1,250 mm to 3,450 mm
heigth from 1,250 mm to 3,450 mm
Door leaf leaf thickness 68 / 69 mm - smooth, double-walled
plate thickness 1.0 mm to 1.5 mm
Sandwich insulation filling
  • insulation inlay optional covered with a fully adhering cover sheet,
    to result in a super smooth and flat door leaf
  • optional thick rebate
Door frame frame system "ZG" resp. "ZNG" and elastic silicone sealing
depending on additional performance characteristics

corner frame
  • optional extension frame or block frame
glass dimensions and form variable
  • sound insulation glass ≥ 44 dB
  • glass holding system Schröders
Sealing system see acoustic performance test reports
Lock options
active leaf
aingle-latch bolt lock according to DIN 18250
three-latch lock for a door height above 2,500 mm
profile cylinder (prefab) unit (cylinder on-site)
  • optional panic lock
fixed leaf
  • optional shoot bolt with locking up and down
both leafs with dogbolts
Hardware / fittings
  • optionally, any approved door handle sets
  • optionally, door closers according to DIN EN 1154

both leaves with 2/3 ­piece KO ­door hinges
with patented easy-running bearings as easy running doors
or with ball bearing spacers

optional hinge with 3D adjustability

Installation wall according to acoustic performance requirements