"> '); How To Build a Portable Soundproof Generator Box – Go Midwest Fishing

How To Build a Portable Soundproof Generator Box


This is me documenting my quest to design the quietest soundproof box for portable generators. I did a lot of research and put some science into this design. For those of you who watched the video and are curious about how much it costs, weighs, and what parts I used, check out the list below.

Soundproof Box Stats

  • Weight: 241 pounds
  • Final cost: $368
  • Sound Reduction: Up to 9 db (Almost 100 times quieter)
  • Size: 4 feet long x 2 feet wide x 21 inches tall

Parts List for Soundproof Box

  • 3/4 inch OSB 2’x8′(wood) = $65.96 (4@ $16.49)
  • 5/8 in drywall 4’x8′ sheet = $14.28
  • Mineral wool insulation, 15.25″ x 47″ x 3″ = $52.98
  • 3″ caster wheels = $13.98 (2@ $6.99)
  • Acoustic sealant = $15.98 (2@ $7.99)
  • Rubber stall mat = $61.05
  • Outlet box cover = $1.78
  • 3′ extension cord = $4.99
  • 3′ power supply cord = $3.45
  • Bolts/ Hardware = $34.49
  • Rubber undercoating = $12.87
  • AC cooling fans = $64.40 (2@ $29.99)

Free Parts I Already Had

  • Screws
  • Paint
  • Primer
  • Aluminum panels
  • Aluminum tape
  • Furnace grill (x2)

More info to come soon..

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