Roxul Sound Proofing Insulation + Drywall ( Test 2 ) / Shapeoko 3 XL SoundProof Box (Test2) скачать в хорошем качестве

Roxul Sound Proofing Insulation + Drywall ( Test 2 ) / Shapeoko 3 XL SoundProof Box (Test2)

--- Test #1:    • Roxul Sound Proofing Insulation Test / Sha...   -- insulation only Test #2:    • Roxul Sound Proofing Insulation + Drywall ...   -- insulation + 1 layer drywall Test #3:    • Roxul Sound Proofing + 2x Drywall Layers &...   -- insulation + 2 layers of drywall (with greenglue inbetween) Test #4: Coming soon... more or less... need to play around with my cnc router now :) --- So0o0o, moral of the story... mechanical devices create a good portion of their noise due to vibrations... and drywall does almost nothing against vibrations... However, greengue is supposed to work by creating a layer inbetween of which inhibits vibration transfer. --- ambient room 30db deamau5 strobe 5min 50db =) 30-32db vacuum 65db =) 40-45db router 50db-55db -- 57 with felt =) 40db 35db with felt - 33db above. --- first test -- no drywall:    • Roxul Sound Proofing Insulation Test / Sha...