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beaulaker
Joined: 03 Sep 2008
Posts: 4
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 Posted: Wed Sep 03, 2008 5:38 am Post subject: corrugated metal ceiling |
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| Building a new home, considering corrugated metal painted white for the ceiling with exposed laminated veneer beams. Any advice about acoustics? Will it be too loud? |
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phansford
Joined: 18 Apr 2004
Posts: 829
Location: SW Ohio
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| Posted: Thu Sep 04, 2008 10:46 am Post subject: |
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"Loud" is subjective.
Certainly metal will not absorb sound - but nether does gypsum board or plaster. Typically there are other materials that will absorb sound, carpet, draperies, furniture, people and so on. So spaces with a lot of hard surfaces don't always seem "loud"
It depends on what you are doing in the room. Quiet talking, watching the latest blockbuster in surround sound, having a dinner party...... will all create different levels of sound.
The other thing is the shape of the room - width, length, height, funny angled walls...... notice you don't get much echo in a small space.
So its hard to answer your question outright.
There are STC (Sound Transmission Classification) ratings for different materials and assemblies. You really need to talk to the designer of your house on the issue. STC typically refers to sound transmitting through an assembly..... a wall will have a STC rating.
Some metal panels come perforated. This allows sound to go through the material..... and typically into a material with some absorption ability, maybe batt insulation.
Not sure if you are getting the answer you want but I hope it sheds some light onto your question. Maybe you can expand your question or provide some more detail as to what you are doing in the room and the size/shape of the room. |
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beaulaker
Joined: 03 Sep 2008
Posts: 4
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| Posted: Thu Sep 04, 2008 5:28 pm Post subject: thanks for the thoughtful reply |
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| You are right, I didn't supply much info regarding the size, quality, quantity or shape of the space. It is the living/dining high ceiling, lots of windows room about 22x30. We will have LVL beams and need decking between- architect threw out ideas of corrugated metal, traditional tongue n groove, and plywood- we haven't ever seen the corrugated in person and didn't want to commit to anything that we haven't actually experienced. |
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phansford
Joined: 18 Apr 2004
Posts: 829
Location: SW Ohio
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| Posted: Fri Sep 05, 2008 4:56 am Post subject: |
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The metal will give a modern look and feel to the house. You can get it perforated for sound deadening.
I am not sure that it will be anymore sound reflective than T & G decking.
I would not recommend plywood. I don't think you will like the aesthetic.
Ask for a simple 4 ft x 4 ft mock-up from either your architect or your contractor.
Also, you have to be sure the LVL's are architectural grade, not construction grade. This has to do with the quality of the finish veneers. You will pay more for architectural grade LVL's. Don't let your contractor talk you out of architectural grade LVL's. He will have to exercise more care with them than normal construction grade. Architectural grade LVL's should come to the job site wrapped and be required to be storage in a conditioned, weather protected area. |
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csintexas
millennium club
Joined: 06 Feb 2006
Posts: 2166
Location: USA
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| Posted: Fri Sep 05, 2008 5:57 am Post subject: |
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I wouldn't rule out plywood. It comes in a variety of surfaces and depends on the look you are after. Both plywood and corrugated metal are modern.
(As well as LVL beams)
Painting the metal would deaden the sound a bit I would guess.
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beaulaker
Joined: 03 Sep 2008
Posts: 4
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| Posted: Sat Sep 06, 2008 7:19 am Post subject: corrugated |
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| well, we've pretty much talked ourselves out of corrugated metal. |
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djswan
millennium club
Joined: 17 Aug 2007
Posts: 1104
Location: Montana, USA
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| Posted: Sun Sep 07, 2008 7:22 am Post subject: |
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That's too bad. It's a nice look.
Polyurethane glue works for install and to soften the "tingy" sound when tapped. I would still use srews for install too. If anything it deadens the surrounding sounds. Works exceptionally well with ceiling timbers or even steel beams. Leave it as is, as I find reclaimed metal barn siding or painted looks nice too.
Drywall is so drywall.
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beaulaker
Joined: 03 Sep 2008
Posts: 4
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| Posted: Sun Sep 07, 2008 7:38 am Post subject: corrugated |
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| We are using laminated veneer beams. Maybe a tongue and groove product between the beams instead of the metal. Too busy? It is hard to actually see the product in person. |
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djswan
millennium club
Joined: 17 Aug 2007
Posts: 1104
Location: Montana, USA
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| Posted: Sun Sep 07, 2008 1:47 pm Post subject: |
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I perfer "real" beams but I can picture what you are saying, as I have done some "trick" veneers in my time or should I say tricked out?
T&G is the easy answer, almost fool proof.
I like your first idea, but the painted white might look a bit "gimmicky". I don't know for sure, but I have ripped metal off walls because it didn't look the way I thought.
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