Blog List

Monday 18 July 2016

Sound insulation of walls using wood insulation mat and plywood jointed with a combination of adhesive tape and wood dowels

Published Date

First online: 

Title 

Sound insulation of walls using wood insulation mat and plywood jointed with a combination of adhesive tape and wood dowels

  • Author 
  • Satoshi Fukuta 
  • Keita Ogawa
  • Masaki Nomura
  • Mariko Yamasaki
  • Yasutoshi Sasaki

  • Abstract 
  • In this study sound insulation of walls was evaluated using wood insulation mat and plywood jointed with a combination of adhesive tape and wood dowels. Building of actual wall assembly test specimens and evaluating their sound insulation revealed that the sound transmission loss for jointing using a combination of adhesive tape and wood dowels was considerably higher than that using nails, for middle and high frequency ranges of 2 kHz and above. When comparing heat-insulating materials (sound-absorbing materials), the test specimen using high-density glass wool had greater sound insulation than the specimen using low-density materials, and the specimen using wooden heat-insulating/sound-absorbing materials showed roughly the same properties as glass wool of 20 % higher density. When the sound insulation for impact sounds of the experimental specimen (joined with adhesive tape and using wooden heat-insulating/sound-absorbing materials) was compared to a specimen with a typical composition (joined with nails and using glass wool), the former proved to have better sound insulation, by approximately 10 dB for light impact sounds between 400 and 800 Hz and approximately 5 dB for higher frequencies. For heavy impact sounds, the experimental specimen displayed a greater sound insulation for all frequencies, by 5–10 dB at frequencies of around 100 Hz and of 400 Hz and above.

  • References 
    1. Fukuta S, Nishizawa M, Ota Y, Takasu Y, Mori T, Yamasaki M, Sasaki Y (2010) Development of low-density wooden molding mat using bicomponent fibers. For Prod J 60(7/8):575–581
    2. Fukuta S, Nishizawa M, Takasu Y, Ota Y, Mori T, Yamasaki M, Sasaki Y (2012) Sound absorption and form retention of newly developed heat-insulating/acoustic material. Eur J Wood Prod 70:697–704CrossRef
    3. Fukuta S, Nomura M, Nishizawa M, Yamasaki M, Sasaki Y (2014) Evaluation and fireproofing treatment of wooden heat-insulating/acoustic absorbing materials. Eur J Wood Prod 72:713–720CrossRef
    4. Fukuta S, Ogawa K, Nomura M, Yamasaki M, Sasaki Y (2016) Shear properties of metal-free wooden load-bearing walls using plywood jointed with a combination of adhesive tape and wood dowels. Eur J Wood Prod. doi:10.​1007/​s00107-016-1084-4
    5. JIS A 1416 (2000) Acoustics—method for laboratory measurement of airborne sound insulation of building elements. Japan Standard Association (JIS), Tokyo
    6. JIS A 1418-1 (2000) Acoustics—measurement of floor impact sound insulation of buildings—part 1: method using standard light impact source. Japan Standard Association (JIS), Tokyo
    7. JIS A 1418-2 (2000) Acoustics—measurement of floor impact sound insulation of buildings—part 2: method using standard heavy impact sources. Japan Standard Association (JIS), Tokyo
    8. Lee H, Mizumachi H (1994a) Damping properties of wood/polymer composites II. Influence of viscoelastic properties of polymer layer on flexural vibration of laminates. Mokuzai Gakkaishi 40(10):1036–1043
    9. Lee H, Mizumachi H (1994b) Damping properties of wood/polymer composites III. Influence of geometry on flexural vibration of laminates. Mokuzai Gakkaishi 40(10):1044–1051
    10. Lee H, Hatano Y, Mizumachi H, Hotta Y, Fukui T (1994) Damping properties of wood/polymer composites I. Comparison of longitudinal vibration and flexural vibration of laminates. Mokuzai Gakkaishi 40(10):1027–1035

  • For further details log on website :

No comments:

Post a Comment

Advantages and Disadvantages of Fasting for Runners

Author BY   ANDREA CESPEDES  Food is fuel, especially for serious runners who need a lot of energy. It may seem counterintuiti...