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A Little Common Sense Here.....

Posted by Dodgeman on June 28th, 2002 12:34 PM
In reply to Tyvek: Too Much of a Good Thing? by Kathy on June 28th, 2002 08:40 AM [Go to top of thread]

You are siding over the cedar siding which has been painted. The house is 1972 vintage. The vast majority of air infiltration is not going to be through the siding, but through doors, windows, etc. Adding Tyvek over the siding will do next to nothing in preventing air infiltration, and add close to zero to the wall R value. I would go with the 1/2 inch styrofoam, and save your money on the Tyvek.
Good Luck!

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