What's the best way to soundproof a room on budget


I'm starting to research ways to reduce sound transmission through a wall since I'll be moving in a few months and my new living space will share one wall with another family. What I am thinking is nailing cork board onto the wall and then covering the cork board with inexpensive foam pyramids. I think I could do thewholewall (8-9 feet high? 14 feet wide) for around $500-$600 dollars going this route. Any suggestions for whats worked for you?
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I did check that site Dtc (denver tech center? Im in the springs).
I'm wondering how much green glue you need, and if it would work out, I guess I could ghrow some green glue on the backside of sheetrock and nail it up myself and then pay someone to come spray some texture on the wall and then paint it myself. That shouldn't cost too much.

Another option is to just put green glue in the homeowners ears...
They recommend 2 tubes per 4x8 sheet. Green Glue has their own website with recommendations and pricing. 12 tubes is about $150. It is not cheap, but works better than just using straight dry wall. I used in the ceiling of basement when I finished it for a theater. Really does cut down the sound transmission. There used to be a lot of discussion of sound proofing on AVSform in the Home Theater forum. Not sure how active it is these days, but still lots of good information. Ted White from my previous link used to be active there. That is how I got to his site.
Hi Mate,

For those who are interested in conducting a soundproofing treatment project for under a £1000, pls visit my website.

http://www.soundproofingproducts.com.au/

If this is in breach of forum rules, mods pls delete or move.

Post removed