Yes, the housewrap has a high perm rating, but it is the Lowes-brand stuff with tiny holes (not TYVEK), and obviousy meant for vertical installation, not to be trapped between metal and tarpapertarpaperCommon grades include 10-, 20-, 30-, and 60-minute. The higher the rating, the heavier and more moisture-resistant the paper. A typical 20-minute paper will weigh about 3.3 lbs per square, a 30-minute paper 3.75, and a 60-minute paper about 6.https://en.wikipedia.org › wiki › Tar_paperTar paper - Wikipedia. ...Oct 26, 2010
What do you put down under metal roofing?
The traditional and most common material used for roof underlayment on a steep-slope metal roof is non-perforated, asphalt-impregnated felt underlayment. There are several types of felt underlayment including both organic reinforced and inorganic reinforced.
Can Tyvek house wrap be used on roofs?
However DuPont™ Tyvek® Protec™ provides a high-quality roof underlayment choice.
Can you use house wrap under metal roofing?
Yes, the housewrap has a high perm rating, but it is the Lowes-brand stuff with tiny holes (not TYVEK), and obviousy meant for vertical installation, not to be trapped between metal and tarpapertarpaperCommon grades include 10-, 20-, 30-, and 60-minute. The higher the rating, the heavier and more moisture-resistant the paper. A typical 20-minute paper will weigh about 3.3 lbs per square, a 30-minute paper 3.75, and a 60-minute paper about 6.https://en.wikipedia.org › wiki › Tar_paperTar paper - Wikipedia. ...Oct 26, 2010