The backing on roll insulation is not all that effective as a moisture barrier. Maximize your moisture barrier at not much cost, slash the backing on your roll insulation with a razor knife. Then staple up heavy (3 mil) plastic to cover the walls and ceiling as seamlessly as possible. Then finish with paneling, drywall, etc. Not much cost and way more effective than the backing on the insulation. Slashing that backing will prevent any moisture that makes it through the plastic from getting trapped between the two barriers. Dean Dean May cell 812.239.3359 PianoRebuilders.com 812.235.5272 Terre Haute IN 47802 -----Original Message----- From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On Behalf Of Bob Hull Sent: Friday, November 05, 2004 4:10 PM To: Pianotech Subject: Re: Moistureproofing shop Terry, The insulation I used does not have the foil backing, just paper, but it is the thicker of the two values that were offered. Since my dehumidifier drains into the sink, I don't know how much water it is collecting. It probably shouldn't have to run all day however. Another factor is the poor seal on three garage doors that are on the shop. The rubber gasket at the bottom of the door does not form a good seal. I will eventually completely seal off two of the garage doors and replace the other with two big swinging doors. The floors will get painted and sealed and this will help as well. On the topic of humidity I am going to put a new post out inquiring about providing humidity control for a stage box that stores a concert piano. --- Farrell <mfarrel2@tampabay.rr.com> wrote: > I dunno. I would guess that my shop is pretty > airtight - concrete block walls, sheetrock ceiling > (w/foil/fiberglass insulation), several well-sealed > windows and a double-door. Even in the summer it > takes a couple days to fill the reservoir on my > dehumidifier and the unit runs less than half the > time. > > I know that is not real specific, but it should > provide a general picture. Are you trying to > regulate shop humidity? Tell me about your shop. > > __________________________________ Do you Yahoo!? Check out the new Yahoo! Front Page. www.yahoo.com _______________________________________________ pianotech list info: https://www.moypiano.com/resources/#archives
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