Acoustic polyethylene roll insulation
FONOS
butech
Acoustic tests
Descripcio%u0301n test: forged of curved part of the stern of hormigo%u0301n (25+5 cm) + phonos (+) + it castrates of compresio%u0301n of mortar of 4 cm of thickness + adhered porcela%u0301nico stoneware with adhesive.








