Our soundproofing expert, a Professional Engineer, P. Eng., will respond to your request within one business day. 

Just so you know, many contractors claim soundproofing experience but are often not experts. Always ask for a numerical STC value for the quoted soundproofing. When hiring any soundproofing consultant or contractor, ask if he is a Professional Engineer authorized to provide engineering services.

Please have a look at our blog, you may find information relevant blog, to your problem.