Here are some things that can be made into new things and recycled Soda bottles, food product packages, oven ready meal trays, vitamin bottles, etccan be made or recycled into soda bottles, paint brushes, carpeting, micro fleece for clothing and blankets;fiber filling for sleeping bags, comforters, coats, and vests.And if you've ever noticed, there are numbers on the bottom of most plastic things and the number seems to be in the recycle sign(with the three triangles)These items have the number 1 on the bottom and bellow that it says PETE(not the name).Milk, juice, and water jugs, shampoo, detergent, and other cleaning fluid bottles can be made into milk, juice, and water jugs, drainage pipes, trash cans, and the fibers used in bullet-proof vestsThese items have the number 2 and below it, it says HDPENext Have the number 3 and on the bottom says PVC which are the clear food wrap, cooking oil bottles, amd molded plastic lawn chairsAnd the number 4s with the LDPE on the bottom includes rings for 6-packs, coffee can liks, grocery store bags, and trash can linersThe next group is the 5s and of the bottom is the PPThat section includes the margarine and whipped topping tubs, yogurt cups, snap-on lids, and microwaveable meal traysThe styrofoam meat trays, egg cartons,and cups, insulation, plastic forks, spoons, and knives, and packing peanuts are the number 6s and have PS on the bottomFinnaly is the other categoryThese include the squeeze bottles for jellies, sauces, and syrups, and various other plastics is the number 7 and says other on the bottomPlastics marked 3-7 are mixed together and are used to make big plastic things like picnic tables, sand boxes, plumbing pipes, fencing, park benches, playground equipment, plastic lumber, lawn chairs, storage bins, etc.
try very heavy curtains like in the real theaters and behind them 2x2 squares of 1/2 thick foamIt dosent have to be acoustical foam or anything fancy like that just use regular cheap foamOr place blocks of acoustical foam in a nice pattern and use them as decor (check your local HT stores and see what they used) The insulation idea is good but I guarantee it will cost moreTry doing an image search on google and yahoo for ideas
Try Green GlueA Visco-elastic compound you put between two layers of gyprockFar better low frequencie isolation than any Boral, MLV or isolation mount method.