Acoustic

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One of the most frustrating aspects of sound is that it will go where it wants to, and find its way through any space via any available path. Thats why its so important (and so difficult) to block any potential points where sound can leak through. In all cases, mass is your friend  the thicker and more dense your walls are, the better theyll be at stopping sound.

Even more effective is mass combined with air. The most common construction technique is whats known as a floating room, where an entirely new set of walls, floor and ceiling are built within the existing space, detached and separated by several inches from the outside walls (and, in the case of flooring, by rubberized floaters that lessen the transfer of vibrations). If youre constructing your own space, there are companies that offer soundproofed doors and windows, as well as soundproof wall panels in pre-set or custom sizes.

Even if you dont have the luxury of new construction, sealing areas of potential leakage in your existing structure will go a long way toward keeping the inside sounds in and outside out. For doors and window frames, look for the thickest, most dense weatherstripping that will fit in the allotted space. Use caulking to seal around areas like heating and air conditioning ducts, electrical outlet boxes, lighting fixtures, unfinished drywall joints and, if youve got them, tiled ceilings. While there are countless varieties of commercially available caulks and sealants, consider a latex sealant designed for acoustical applications.

You can also accomplish a lot by adding sound blocking layers to your existing walls. Several companies offer low-vibration materials which are exceptionally dense but surprisingly thin and lightweight.

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