Acoustical Surfaces – Soundproofing Blog

Boiler or mechanical rooms are generally pretty noisy places. Not only are you going to have multiple noise sources but one will almost always find that these are rooms made up of all hard surfaces. The sound from the machines has no where to go, and the sound waves will just bounce from surface to surface. Believe it or not, the sound pressure in the room can actually be greater than the sum of all of the sound being made by the machines because of these reflections. So, I would suggest a product that will not only help the existing wall block the sound from leaving the room, but also absorbing the reverberation inside of the room itself [...]

“The problem is, recently, our neighbors, who themselves, do not have any A/C or window units, keep their old windows open during the hot Boston summers. Our larger unit has 2 A/C units and the people in the 1^st unit have one. According to our neighbors, whose bedroom window on the 2^nd floor immediately faces all 3 A/C units, make a lot of noise which is bothersome at night when they are trying to sleep.” In order to reduce the noise that your neighbor is hearing you are gong to need to do two things. First would be to interrupt the line of sight path of sound transmission [...]

“We recently purchased a ten year old home that has good quality, double glazed vinyl windows (the operable kind, single hung, vertically opening). We hear traffic noise in our master bedroom, which faces the street and I am looking for a method to reduce it as much as possible.” The two most important things to keep in mind when you are dealing with a sound transmission issue are eliminating ANY common air spaces and increasing the amount of mass/density in between your noise source and a potential “listener” [...]