Does Attic Insulation Help Dampen Sound

A typical interior 2 4 wall with 1 2 of drywall on both sides has a rating of stc 34.

Does attic insulation help dampen sound.

Knowing that you should make an effort to learn about the best soundproof insulation you could use in walls and ceilings. Loose fill or batt the common term for blanket insulation. However the truth is that there are some insulation materials that are simply made to reflect heat and do very little to reduce noise transference. Fiberglass batts help somewhat but you ll get better results with rock wool which is known for its ability to dampen noise.

It s best to use a fairly heavy grade of. Adding sound rated insulation can improve that to stc 45. You can find rock wool in 3 1 2 inch batts designed for soundproofing. It is installed in the attic right under the roof and reflects energy from the sun which keeps your home a lot more comfortable but doesn t act as a sound barrier at all.

One concern with insulation is that the insulation s soundproofing properties will color and dampen the sound. As described before this can be a positive thing if your in ceiling speaker is not a main or primary surround speaker. It is a common misbelief that all insulation helps reduce noise. Adding insulation to the walls floor and ceiling is one of the easiest.

Adding standard fiberglass insulation improves the rating to stc 39. Sound dampening wall construction with fiberglass. For diy attic insulation you ve got two choices. Consists of noise that comes from a building s exterior such as traffic and voices and inside a property like tv and music.

Otherwise this will damage your sound dampening sound effects and other sharp sounds. Both can be added to uninsulated attics or layered over existing material. Reflective insulation such as radiant barrier works by reflecting radiant heat from the sun. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Just as filling a conch shell with sand will block the ocean sound you hear in it filling the wall with insulation will stop it from resonating. The benefit of using a foil facing insulation is it will reflect sound heat and cold. Whereas insulation without it only absorbs. The insulation will reduce sound transmission through the wall and also improve the sound within a room.

However not every type of insulation reduces noise. Insulating products are a key component of any soundproofing project.