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:

.PDF

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.

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