Hi All,
Long time reader, and although I don't post too often, I'm hoping to get some pointers on our upcoming theater build. I've made a sketchup which also includes the rest of the basement reno (actually was kinda fun doing it).
I'm still trying to hash everything out, but I'm looking to make sure I'm ok on room basics, any suggestions for speaker placement (would like to do 7.2.4), and general soundproofing. I'm not likely going to have equipment for it (budget) until end of the year, but we're looking to have the basement completed in July. I've gone through so many of the theater builds here and I definitely am blown away by all of the stuff done here, and wish I had a larger budget for even more stuff. Below are some of my plans for soundproofing/construction of the theater:
Sound Proofing
Other construction notes:
Existing Basement Notes:
More to follow...
Long time reader, and although I don't post too often, I'm hoping to get some pointers on our upcoming theater build. I've made a sketchup which also includes the rest of the basement reno (actually was kinda fun doing it).
I'm still trying to hash everything out, but I'm looking to make sure I'm ok on room basics, any suggestions for speaker placement (would like to do 7.2.4), and general soundproofing. I'm not likely going to have equipment for it (budget) until end of the year, but we're looking to have the basement completed in July. I've gone through so many of the theater builds here and I definitely am blown away by all of the stuff done here, and wish I had a larger budget for even more stuff. Below are some of my plans for soundproofing/construction of the theater:
Sound Proofing
- Decoupling (creating gaps between surfaces; limiting vibration along pathways)
- “Room within a room”
- Staggered 2x6 wall on all common interior areas (i.e. two walls)
- 2x4’s on a 2x6 base plate
- Note: non load-bearing walls, use advanced construction 24” OC for lumber savings as we’re already using 5/8” drywall
- Furring Channel and Resilient sound clip drywall installation on all other walls and ceiling
- Adding Mass
- 2 layers of 5/8” drywall
- Damping (adding a material to a surface to change the nature of vibrations (sound)
- Green Glue between each 5/8” drywall layer
- Absorbing (adding material to trap air and therefore sound)
- R13/16/19 Fiberglass batts
Other construction notes:
- Accoustical sealant and putty around all electrical boxes/fixtures
- “Backer Boxes” around all ceiling lights and speaker holes (see below); these need to go up after electrician, before drywall)
- False Wall (Accoustically Transparent, AT) to host screen; LCR + subwoofers to be installed behind
- Plan to build hidden door entrance (pocket or bookcase); contractor loved this and is willing to do it at material cost only
- I am using a contractor, I've seen his past work and it's good quality, but he hasn't done soundproofing on this level in a residential project
Existing Basement Notes:
- 8' Ceilings (slab to bottom of joist)
- Separate zone heating/AC/dehumidfier (overkill, see below) using flex duct for the theater portion
- 4-5" poured concrete slab
- We've had record snow this year (Boston) and the vast majority of it has melted. Lot is properly graded away from house, house is on a rise, zero leaks and still feels bone dry in here
More to follow...