Construction ID - ECO-BJ3 Part E
All floor finishes
Fermacell 2E11
System IDEAL ECO 150 kPa
UDL
2.0 kN/m²
Fermacell 2E11
Acoustic ceiling detail**
JUPITER IDEAL ECO
Redupax acoustic strip
Supporting ply
Supporting batten
Mineral wool insulation*
9mm
30mm
20mm
Construction height
29mm
Technical Data
Construction suitable for floors between rooms of equal temperature
Construction height
Mass
Thermal resistance, R-value
mm
kg/m²
m²K/W
20
31
0.86
System height based on Fermacell thickness
Mass excluding floor finish
Part L compliant for floors above heated rooms
.zip includes:
NBS Spec
.DWG
Uniform Distributed Load (UDL)***
Point load (≥ 20cm²)***
Sound reduction
Area of application
Floors with rooms of equal
temperature above & below
Rmin=0,75 m²K/W
Installation information
kN/m²
2.0
kN
1.5
dB
Impact LnTw 44 dB Airborne DnTw + Ctr 55 dB
This construction is valid for floor constructions located above uninsulated or unheated space
* Min. 100 kg/m² mineral wool
** Typical MF suspended ceiling detail
Part E pass requirements impact LnTw ≤ 64dB, airborne DnTw + Ctr ≥43dB
***Joist integrity dependent
When installed the Fermacell may follow any undulation that occurs from the joists. This may need to be taken out with the use of a thin levelling compound.
Glue and screw supporting ply to battens.
Aluminium diffuser plates should be flush with top of Redupax strip.
