24 Jul '11, 3pm

Good caulk for air-sealing walls prior to dense-packing w/ cellulose #green

I would like to do a good job air sealing with caulk and canned foam my currently-exposed wall stud bays prior to installing dense-packed cellulose with InsulWeb. This is a residential renovation project in the 4a zone. I built out majority of the walls in house to a double stud wall with a 7" clear-cavity depth. Walls in baths and closets remained the traditional "single stud" 2x4" due to space constraints. I am planning on doing air sealing myself using a pneumatically-actuated caulk gun and hiring out the dense-packing to a qualified cellulose contractor. I will be caulking the 5-plane intersections within all stud bays, joins between planes and sublfoor, ceilings, etc. The question I have is: What are good caulks to use in this application? I've seen OSI GreenSeries Acrylic Urethane Indoor / Outdoor Sealant, but it only comes in 10oz tubes, which based on the 2 bays / ...

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

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