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I’m converting a metal wall shed into a audio room . I’ll be using metal studs to create a room with in a room ,the one issue I have I need to place new stud walls between the original vertical purlins under engineering advice .The stud walls will be semi isolated . The new roof joist won’t be in direct contact the shed structure .
The wall – metal cladding , 35mm air gap ,25mm insulation Dow PIR board , 200mm gap to purlin inner face . The 76mm metal stud wall will be positioned between the purlins .
I will be mounting double fire check dry wall on 1 side or OSB & ply after watching Dennis’s video . looking at using Tecsound SY70 between either board material .
I would like to also add mass to the inside of the stud wall . Would this course a triple leave between the metal cladding and inner lining of the stub wall .
METAL CLADDING – 80MM GAP – DOUBLE WALL CLADDING ,drywall or ply -76MM STUD WALL – DOUBLE CLADDING plywood .
Here’s my project
M, We can assist you with this project. Fill out the info. in this link: https://acousticfields.com/fre…..-analysis/
I have filled out the room analysis . Being a metal clad shed I need to stop as much noise coming out .
I’m looking at 1 cubic meter of activated carbon .
Hello, and thanks for the forum.
I need to further soundproof exterior bedroom wall. Thus far I’ve air sealed and fully insulated the ceiling/attic (R-60, 5/8” drywall, Green Glue, Roxul, sound boxes for bathroom exhaust fans etc). On the wall, added plywood between joists (to increase the mass of “cardboard” sheathing) air sealed all gaps/holes, Roxul between joists, three layers of 5/8’DW with Green Glue and ¼ gap around edges sealed with acoustical caulk. Both windows have 4” air gap then laminate soundproof interior windows over the original double windows.
All that, and still too noisy at 85 yards away from interstate.
Next plan, work on outside of home: remove vinyl siding, augment the “cardboard” sheathing with two layers 5/8” plywood separated by 100% silicone (GG not effective outside). Then hang MLV vertically and limply. Then replace the vinyl siding.
Any suggestions? Am I overlooking something? Should I use different thickness plywood? Thank you.
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