Here in northern ontario, Canada where we get hot summers and cold winters all the construction uses "Typar" house wrap. I am familiar with "Tyvek" and the typar is a more permeable membrane. It will keep most water out (as in suitable for 90% of homes) but most importantly it breathes. Condensation forms when there is no breathability (like buddies plastic bottle example). The reason why tarpaper seems like a fine housewrap is because it kept most water out but was drafty enough to dry any water penetrations. Typar housewrap does the same thing but more efficiently. The type of housewrap isn't that big of a deal anyways because the shell of the house is supposed to keep the wind off the insulation and the water out. When you have condensation/air movement issues in your home you should be more concerned with the vapour barrier (plastic sheeting or the common trade name of "Super 6") on the inside of your home. A super sealed home without an air exchanger (i.e. Venmar system) will be that "plastic bottle". What you want actually is a super sealed home with an air exchanger. Cheaper to heat/cool, controls humidity in the home preventing decay and dry rot. At least that's been my observation! lol Good luck!
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Today's Featured Article - Women and Tractors - More Views From the Farmer's Wife - by Teri Burkholder. The top ten reasons why the judges wouldn't let you participate in the stock antique tractor pull: Hey, this is stock! It came with that V8 in it! That "R" on my tires stands for "really old" not radial! Blue gas? We thought it was a pretty color! What wire hooked to my throttle?
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