Soundproofing wood sound insulation door for hotelProduct Description based on acoustic Mass law, G50J-1 is a composite of different materials in different properties. When treated with special vibration resisted damping structure, G50J-1 lessens opportunity of acoustic superposition which prevents substantial resonance, improving the sound it is able to insulate(STC). G50J-1 is designed to adopt unbalanced acoustic structure, filling with inflammable high dense micro-pore fiber acoustic material. Though this door is only in thickness of 50mm, G50J-1 functions excellently in insulating sound from 250 to 5000Hz.CertificationsOur ServicesCompany InformationFAQ 1Are you a trading company or a factory?Yes. we are factory more than 10 years2Can you assist for design and installation?Yes,we can.3Can you offer sample?Yes,we can.4Do you accept customization?Yes, we do.5Do you provide certification?Yes, we can provide more than 100 certifications.6How long is the lead time?Normally less than 20 days.Home