Selecting Timber Floors

Floor Structure Floating Floor type Underfloor Heating  Thickness  Robust Detail
Solid timber joist Timber deck on resilient battens No 384mm E-FT-2
423.5mm E-FT-8
Engineered
I-joist
Timber deck on resilient battens No 403mm E-FT-1
423.5mm E-FT-7
Wet screed No 451.6mm E-FT-4
Dry screed board Yes 346mm E-FT-5
Metal web joist Timber deck on resilient battens No 406mm E-FT-3
Dry screed board Yes 359mm E-FT-6
KEY B.Regs
+ 3 dB
+ 5 dB

Thickness quoted is the minimum possible to comply with the full Robust Details specification including floating floor treatment and ceiling treatment.

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for Floor/Wall Combinations
and Code for Sustainable Homes

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for Selecting Your Robust Details