Insulate attic floor that has 2x4 flooring


Old 08-23-09, 05:51 PM
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Join Date: Jun 2007
Posts: 8
Insulate attic floor that has 2x4 flooring

I'm planning on insulating the floor of my attic. The problem I have is that the floors are made of 2x4's. Currently there is some worn out pink insulation in a few places and missing in many other places. We only use the attic for storage not a living area. The ceiling is unfinished and uninsulated. It looks like my only option is spray foam. Am I correct or are there other options for my situtation? Also the walls of my house I don't think are insulated either. The exterior of my house is wood. What are my options here also? I live in PA.
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Old 08-23-09, 06:18 PM
Join Date: Oct 2008
Location: New England
Posts: 9,994
Living in PA will require a lot of insulation. Blown in cellulose would be good right over what is there. It can be a DIY project as the big box stores rent the blowers. There are many old posts here explaining how. Air seal all electrical, plumbing and vents to eliminate excess heat loss. The walls can be drilled and filled with the same insulation.

Old 08-23-09, 09:13 PM
Join Date: Mar 2009
Location: WA
Posts: 1,167
Blowers are free if buy enough. How to: Insulate and weatherize: expert ... - Google Books
Be safe, G

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