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 - Tractor Profile: Ferguson TO-20 - by Staff. When the infamous "Handshake Agreement" between Henry Ford and Harry Ferguson fell by the wayside (that's a story in itself), Harry Ferguson quickly set up manufacturing plants for a United States version of his English TE-20. The TO-20 was relatively the same as the TE-20 except utilized some different casting materials and had a US-style electrical system. The TO-20 was a dead ringer for the Ford 9N and 2N models and they say that Ferguson did this on purpose when the Handshake Agreement wen
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