The Robust Details website uses cookies to give you the best possible experience on our website.

By continuing to browse our website or by closing this message, you accept our use of cookies.

For more details about cookies please see our Privacy Policy.

Selecting Timber Walls

Sheathing to cavity face Cavity Width Cavity Fill Thickness Robust Detail
No sheathing
or optional
partial sheathing
min.50mm between stud frames Generic 303mm E-WT-1
None allowed 303mm E-WT-3
Fully sheathed or extensive part sheathing min.50mm between sheathing faces Generic 303mm E-WT-2
Fully sheathed min.60mm between sheathing faces None allowed 303mm E-WT-4
KEY B.Regs
+ 3 dB
+ 5 dB
Cavity fill is optional + 8 dB

Thickness quoted is the minimum possible to comply with the full Robust Details specification including finishes.

A skim coat would be in addition.

Deeper studs will increase this dimension.

CLICK HERE
for Floor/Wall Combinations
and Code for Sustainable Homes

CLICK HERE
for Selecting Your Robust Details