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Blow-in cellulose and your hollow walls

It's not too late to insulate.  A few years ago, most American homes had no insulation in them. When a homeowner did insulate, it was usually with fiberglass batts. Then along came some better products. One of them is blow-in cellulose insulation. Does it work? I can attest to this: YES. I've used it in walls and ceilings, and it works quite well for airborne noise. If you live in an uninsulated home and you hear your neighbors voices coming through your walls or ceilings, cellulose will dampen that noise or mute it entirely. It doesn't work for all types of noise. But it doesn't eradicate impact noise. You might still hear the sounds of someone walking across a bare hardwood floor with their shoes on, for example, or hear wall-mounted cabinets opening and closing. There are other solutions for that, and by combining different solutions you can control most structural noise and create more privacy. Low cost Blow-in insulation is inexpensive. You can hire a

The benefits of blown-in cellulose

You don't have to demolish your walls to add insulation to your home.  Many people have asked me about affordable techniques for adding some degree of soundproofing to existing construction. And if you live in a home or an apartment with hollow walls, you might want to blow some insulation into them. At the very least, it will reduce the amplifying effect. That's because when you have drywall nailed on top of hollow studs, it behaves acoustically like the head of a giant drum and it echoes. And this problem plagues millions of American homes. It will not eliminate low-frequency engine noise that penetrates your building frame, such as construction equipment or large truck engines. Here's how you can remedy this echo situation. You can add insulation without even removing the walls by getting a blower and some cellulose insulation, drilling some round holes into your existing drywall, inserting the pressure nozzle into the open space, and blowing the insulation bet