31 Jul '12, 10pm

Green Building Q&A: Acoustic sealant for sealing between plywood subfloor and wall bottom plate

For our home construction project we need to decide what sealant to use between the subfloor and the bottom plate. Our builder commonly uses Tremco Acoustical Sealant for this purpose. While I gather from the information in this community and generally on the web that this product is mentioned and used very often, the reservation I have is its very high VOC content. There are acoustical sealants with considerably lower VOC content available but as a lay person I cannot judge their quality and durability and choose one over the other, such as: OSI Green Series SC-175; LePage Green Series Draft & Sound; SilenSeal Acoustical Sound Sealant, and probably others. Or should we go to a structural gasket product such as that available from Conservation Technology? With the latter I would have to import it from the US into Canada (Pacific Northwest, climate zone 4C in BC) with unkno...

Full article: http://www.greenbuildingadvisor.com/community/forum/green...

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