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 - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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