What are the pros and cons of house wrap? our cottage is on lake huron just south of the 45 parallel. does it keep moisture out or just drafts?
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Its Code here. Can't imagine building a house without it. There have been studies showing that building felt is as good, and perhaps better than housewrap. If it is a whole house project, then we use housewrap. If it is a remodel, then I use felt. It is just easier to install and store.
Boris
"Sir, I may be drunk, but you're crazy, and I'll be sober tomorrow" -- WC Fields, "Its a Gift" 1934
I don't believe tyvek or typar is a moisture barrier. Its just creates an envelope.....keeping drafts out. You wouldn't want a vapor barrier on the exterior of your house. You got one on the inside with kraft paper insulation or poly and latex paint. You'd lock in the moisture with a vapor barrier on the outside. I remember reading somewhere a few years back that 15lb felt wasn't a vapor barrier but 30lb was...so it was advised not to use 30lb as housewrap.