TIMBER FRAME COMBINATIONS

SEPARATING
WALLS		SEPARATING FLOORS
E-FT-1
E-FT-2
E-FT-4
E-FT-5
E-FT-6 (TFF)
E-FT-7
E-FT-8		E-FT-3
E-FT-6		E-FC-2E-FS-1
E-WT-1 ✔ ✔ W 1 W 1
E-WT-2 ✔ ✔ W 1 W 1
E-WT-3 F F W 1 W 1
E-WT-4 F F W 1 W 1

EFFECTIVE FROM MIDNIGHT ON 1 APRIL 2014

KEY
TFF Higher credit value applies to apartments on the uppermost storey
F Only the separating floor requires pre-completion sound testing
W Only the separating wall requires pre-completion sound testing.
1 Lightweight steel and timber frame walls may be constructed above in-situ poured concrete floors. The lightweight walls built directly off the concrete floors may be registerd as robust details™ provided:
  • they meet all other requirements of the robust detail™, including flanking constructions
  • the principles of the raft foundation junction are followed. As such, the concrete of the floor must have a mass of 365 kg/m2 (min), and a floating floor treatment must be provided.
Walls constructed to the soffit of in-situ poured concrete floors can not be registered as robust details™ and may be subject to pre-completion sound testing.

CODE FOR SUSTAINABLE HOMES
E-xx-nn 0-credit Robust Detail
E-xx-nn 1-credit Robust Detail
E-xx-nn 3-credit Robust Detail
E-xx-nn 4-credit Robust Detail
Invalid Combination
✔ 0-credit Combination
✔ 1-credit Combination
✔ 3-credit Combination
ECOHOMES
E-xx-nn 2-credit Robust Detail
E-xx-nn 3-credit Robust Detail
E-xx-nn 4-credit Robust Detail
E-xx-nn 4-credit Robust Detail
Invalid Combination
✔ 2-credit Combination
✔ 3-credit Combination
✔ 4-credit Combination

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