Internal partition

146 mm
Total thickness · D.04

The layer schedule for this detail is being transcribed from the construction details catalogue and signed off by the technical department. The total thickness above is confirmed. Contact the technical department for the current build-up on a live scheme.

Layer schedule

The layer schedule for D.04 is being transcribed from the construction details catalogue and signed off by the technical department. The confirmed total thickness is 146 mm.

Performance

D.04 · performance
Property Value Basis
U-value, bridging corrected 0.55 W/m²K EN ISO 6946, one-dimensional steady state, with a +20% bridging correction applied as an engineering estimate.
Self-weight 62 kg/m² Mass estimate from the layers and dimensions in the source document.
Traditional equivalent 89 kg/m² Derived from the published self-weight and reduction percentage.
Weight reduction 30 % Self-weight against the traditional equivalent build-up.
Fire resistance (EI) Test programme in progress — contact technical department Awaiting laboratory test report
Airborne sound reduction (R_A) Test programme in progress — contact technical department Awaiting laboratory test report
Impact sound (L_nw) Test programme in progress — contact technical department Awaiting laboratory test report

U-values are one-dimensional steady-state calculations to EN ISO 6946. Bridging correction is applied as an engineering estimate: +20% for walls, +15% for horizontal elements. 2D numerical analysis to EN ISO 10211 is in progress; values will be updated on completion.

Not yet stated

  • EIFire resistance · in test
  • R_AAirborne sound reduction · in test
  • L_nwImpact sound · in test

Test programme in progress — contact technical department

The non-load-bearing internal partition, on C90 studs. At 146 mm it is the thinnest of the vertical elements after the wet-area partition, and it is the detail that appears most often on a residential floor plate.