Walls with staggered wood studs on common plates

Data analysis

These predictions are for a double row of staggered studs on common 150 mm wide plates, top and bottom. The stud spacing can be 406 or 610 mm o.c. and the cavity should contain at least 90 mm of sound absorbing material.

Side 1 :
layers mm thick

Shear layer : mm thick

Cavity absorption :

Side 2 :
layers mm thick

Shear layer : mm thick

STC ±1.5 ALD100 ±0.9 ALD50 ±0.7 Rw ±1.1

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