Making your very own soundproof generator enclosure can be a fun and gratifying endeavor. Most materials can be found easily at your community hardware shop or on the web. Here's a great list of stuff which may be used and some facts about them...
http://www.silchestercars.co.uk/?p=7 Used on the outside of a good soundproof shed
Is hard and durable
Could be layered
Can be painted for a more decorative look
Once applied, openings need to be caulked or metal tape utilized for efficacy
Medium Density Fiber Board (MDF)
Used for the partitions of this enclosure
Preferred over plywood because it moves less noise
A few are moisture resistant
Some Kinds are flame retardant
Flexible and could be curved or shaped
Cheap
Heavier than plywood
Emits possible carcinogens when trimming
Closed Cell Foam Matting
Ideal for inner insulating material
A powerful soundproof barrier by obstructing and absorbing noise
Water-resistant unlike open cell foam
Regarded as mold resistant
Usually Fire-retardant
Lightweight
Stronger and stronger than open cell memory
More compact and costs more than open cells
Some expensive models really are a"peel and stick" design
Fiberglass Insulation
Inexpensive, compared to closed cell mats
Moisture resistant
Non Combustible, Nonflammable
Does not easily deteriorate
Effectively controls temperature and sound
Needs to be tightly packed to your most optimum sound barrier
Skin irritant
Acoustical Foam or Tile
Fire-resistant
Effectively absorbs sound
Many absorb water
Sound-proof Paint
Blocks moisture
Reduces vibrations and noise
Non-toxic
Requires several coats to be effective
Flame-retardant
Maybe Tough to find
Generator noise might be quite a significant problem, particularly in quiet areas or campgrounds. These sound proofing substances would definitely be a great advantage in reducing noise pollution.
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