Does Attic Insulation Help Dampen Sound

However not every type of insulation reduces noise.
Does attic insulation help dampen sound. Adding sound rated insulation can improve that to stc 45. Knowing that you should make an effort to learn about the best soundproof insulation you could use in walls and ceilings. 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. For diy attic insulation you ve got two choices.
It s best to use a fairly heavy grade of. You can find rock wool in 3 1 2 inch batts designed for soundproofing. Insulation with a paper facing is used for preventing water vapor from passing through into the insulation. Both can be added to uninsulated attics or layered over existing material.
Fiberglass batts help somewhat but you ll get better results with rock wool which is known for its ability to dampen noise. Adding standard fiberglass insulation improves the rating to stc 39. Insulating products are a key component of any soundproofing project. 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.
Reflective insulation such as radiant barrier works by reflecting radiant heat from the sun. This insulation will reduce echoes and vibrations improving a room s overall acoustics quiet batt 30 offers soundproofing capabilities to help you deal with two kinds of noise. The insulation will reduce sound transmission through the wall and also improve the sound within a room. 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.
Loose fill or batt the common term for blanket insulation. The benefit of using a foil facing insulation is it will reflect sound heat and cold. A typical interior 2 4 wall with 1 2 of drywall on both sides has a rating of stc 34. First we have to make the distinction between insulating products and other soundproofing materials there are many materials you can attach to your wall to approximate the way insulating products work.
Whereas insulation without it only absorbs. It is a common misbelief that all insulation helps reduce noise. Otherwise this will damage your sound dampening sound effects and other sharp sounds. As described before this can be a positive thing if your in ceiling speaker is not a main or primary surround speaker.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product. One concern with insulation is that the insulation s soundproofing properties will color and dampen the sound.