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Old 11-17-2011, 01:02 AM
e46er e46er is offline
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Quote:
Originally Posted by toxic111 View Post
What I was getting at is they are not required by the National Building Code, which is the model code for Canada. I do not know the eastern codes, but in SK, AB & BC they are not required. They are a very good idea as modern homes are sealed too well.
Depends where u are as well
They are mandatory in Vancouver Bc but not the surrounding cities
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