PURPOSE: To reduce the extent of a floor impact noise due to a light weight impact source in a long joist high floor type soundproof floor by installing a buffer layer in space between a bedding floorboard and a finishing floorboard.
CONSTITUTION: A sleeper 4 consisting of wood, laminated wood, etc., and a framework being composed of a long joist 5 consisting of wood, laminated wood or the like are set up on a floor slab 1 via vibro-proofing rubber. Next, a bedding floorboard 3 consisting of a veneer board, a particle board or the like is stuck on the framework. In succession, a finishing floorboard 2 consisting of plywood, flooring or the like is stuck onto the bedding floorboard via a buffer layer 8 consisting of a rubber mat, a soft resin mat or the like. In addition, this buffer layer 8 absorbs any possible impact exciting force to be added to the finishing floorboard 2 in space between both upper and lower living rooms. With this constitution, a floor impact noise due to a light weight impact source is thus reducible.
TAKEI YOSHIKAZU
TANO MASANORI
MARUYAMA NORIYOSHI
YAMAMOTO TAKAO
KAMISAKA HIROAKI
IWAMI TATSUYA
HARA SHUJI
NIPPON JUTAKU PANEL KOGYO KYOD
OSHIKA SHINKO CO
| JPS6216605B2 | 1987-04-14 |