David, Have you looked into what is called "soundboard?" That's what it's called around here. It is a thick (maybe 3/4 to 1 in.) fibrous flat board that can go under the sheetrock in walls. I don't see why it couldn't be fit between floor joists. It is typically used to provide a better sound barrier between rooms. jeannie Jeannie Grassi, RPT Assistant Editor, Piano Technicians Journal mailto:jcgrassi@earthlink.net -----Original Message----- From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of David Love Sent: Saturday, January 21, 2006 1:25 PM To: 'Pianotech List' Subject: Sound/Vapor barrier for ceilings I need to install a sound/vapor (more sound) barrier in the ceiling of my shop (the ground floor of my house). The ceiling is exposed joists and I would like to get something that I can stick to the ceiling between the joists without having to necessarily sheet rock over the whole thing--at least not yet. I'd like some kind of material that looks ok and won't disintegrate over time. A fire proof or resistant material would also be advisable. Anybody have any experience with products that they liked? David Love davidlovepianos@comcast.net _______________________________________________ Pianotech list info: https://www.moypiano.com/resources/#archives
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