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Posted by Heathcliff on October 24, 2007, 1:54 pm
>
>
>
> >>>> on 9/19/2007 9:43 PM Jason said the following:
> >>>>> I have a hollow core door in the bedroom and it's just not quiet
> >>>>> enough sometimes. I mean nosie from other rooms can be heard in
> >>>>> the bedroom.
> >>>>> How much better would a solid door block sound?
> >>>>> jason
>
> >>>> Much better. If you are talking about the plain luan mahogany
> >>>> doors, even the molded panel doors are better.
>
> >>>Thanks, any particular doors better at this?
> >>>jason
>
> > You'd probably be better off hanging some sound-absorbing material on
> > the outer surface of the door.
>
> > The hollow core door is probably reverberating the sound waves. A
> > molded panel door or a solid core door would probably be better than
> > what you have. But, the door skin of either type (the molded/textured
> > or solid core) will still be a relatively flat surface the sound waves
> > will hit and transfer the noise to the bedroom on the other side.
>
> > Although I'm not an expert on this topic, I think you'd be better off
> > by utilizing some sort of material that absorbs sound being affixed to
> > the outer door skin.
>
> > Try hanging anything on the outer face of the door before replacing
> > the door you have. Simply hang a sheet - folded to produce numerous
> > layers of material - from the top of the door. Or, place one or more
> > coat hooks on the outer side of the door and hang jackets, flannel
> > shirts, or housecoats from it.
>
> > It would probably help to hang the material a small distance from the
> > door surface to further reduce transmission of the sound waves from
> > the hung material to the door skin. Use a curtain rod, a wooden dowel,
> > or whatever else is suitable to drape the material over and allow an
> > air gap between the material and the door skin.
>
> > Clothes hooks typically hold garments several inches from the door
> > skin. That will be beneficial in reducing noise intrusion into the
> > bedroom.
>
> > If you can't, or don't want to, screw anything to the door, buy the
> > type of clothes hooks that slip over the top of doors and hang
> > something from that/them. Here some types I found online:
>
> >http://www.stacksandstacks.com/image/35331.jpg
>
> >http://www.householdgoods.com/images/overdoor-hooksml.jpg
>
> >http://a248.e.akamai.net/f/248/38435/6h/www.improvementscatalog.com/ima
> > ges/en_US/local/products/122x/over-the-door-hooks-282329zz.jpg shorter
> > alternate link -http://shorterlink.org/3314
>
> > You could use a door-mounted shoe rack like this, or modify it to hold
> > other items, which will absorb the sound waves hitting the door -
> >http://images.skymall.com/images/products/IMP/93999262d.jpg
>
> > See the following Google search results webpage for more varieties -
> >http://www.google.com/products?q=over+door+clothes+hook
>
> Thanks for the info.
Before you try any of these things do a little research on the web on
sound transmission. Generally the best defenses against sound
transmission are mass, and sealing openings. So if you have a big gap
between the door and floor, that would one area to address. To add
mass, yes get the heaviest solid door you can find, or for a quick and
dirty solution screw a sheet of drywall to the existing door. Can be
on inside or outside. -- H
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