Do I install tyvek over fanfold insulation?
29 05 2009It only serves as air and moisture protection There are also a dozen or more products made by other companies that do the same job if not better for less Tyvek is just one brand If you are using fanfold I don't see how any house wrap will be of much advantage to you Fanfolds when installed properly will do everything a housewrap does plus more
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