John raised an interesting point on my loft conversion thread. As I'm doing an attic conversion what a bout the noise of the rain on the roof?
The timbers are only 4" thick and the insulation they put between them is for retaining heat only. I will be plasterboarding it obviously and thought of doing this double thickness but is there some kind of thick sheeting i could put into to reduce noise going out and coming in. My architect said that one studio he had done had some lead kind of sheeting stuff between the plasterboard and the ceiling timebers!!
All sound a bit heavy to me.
Any ideas?
"I can't stand the rain..."
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Oliver, here is a quote from US Gypsum's Construction handbook, along with an illustration from their Sound Control Handbook, both links to follow:
RC-1 Resilient Channels
Made of 25-ga. corrosion resistant steel. One of the most effective, lowest-cost methods of improving sound transmission loss through wood and steel-frame partitions and ceilings. Used for resilient attachment of SHEETROCK <../glossary.html> brand Gypsum Panels and IMPERIAL Gypsum Bases. Prepunched holes 4" o.c. in the flange facilitate screw attachment to framing; facing materials are screw-attached to channels. Size 1/2"x 2&1/2"; length 12'; approx. wt. 200 lb./1,000 ft. Limitation: not for use beneath highly flexible floor joists; should be attached to ceilings with 1&1/4" Type W or S screws only -- nails must not be used. See framing requirements <../chap2/fram_req.html> in Chapter 2 <../chap2/index.html>.
http://www.usg.com/Design_Solutions/2_3 ... ontent.asp
http://www.usgaction.com/handbook/toc.htm
The pic is attached (if I get it right that is) - the RC is the horizontal, flimsy-looking rail onto which the nearside wallboards are screwed. (BTW, NEVER put screws thru the wallboard coincident with framing timbers, they may "short out" the RC, defeating its purpose... Steve
RC-1 Resilient Channels
Made of 25-ga. corrosion resistant steel. One of the most effective, lowest-cost methods of improving sound transmission loss through wood and steel-frame partitions and ceilings. Used for resilient attachment of SHEETROCK <../glossary.html> brand Gypsum Panels and IMPERIAL Gypsum Bases. Prepunched holes 4" o.c. in the flange facilitate screw attachment to framing; facing materials are screw-attached to channels. Size 1/2"x 2&1/2"; length 12'; approx. wt. 200 lb./1,000 ft. Limitation: not for use beneath highly flexible floor joists; should be attached to ceilings with 1&1/4" Type W or S screws only -- nails must not be used. See framing requirements <../chap2/fram_req.html> in Chapter 2 <../chap2/index.html>.
http://www.usg.com/Design_Solutions/2_3 ... ontent.asp
http://www.usgaction.com/handbook/toc.htm
The pic is attached (if I get it right that is) - the RC is the horizontal, flimsy-looking rail onto which the nearside wallboards are screwed. (BTW, NEVER put screws thru the wallboard coincident with framing timbers, they may "short out" the RC, defeating its purpose... Steve
Soooo, when a Musician dies, do they hear the white noise at the end of the tunnel??!? Hmmmm...
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Oliver, in a previous post to you I said this
He has pictures of doing a ceiling in RC.
cheers
John
http://johnlsayers.com/Studio/index.htmHave a look at S.Productions at the Construction site.
He has pictures of doing a ceiling in RC.
cheers
John
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