modify roof, hot tar roof - 1UP.COM

If there are gaps or tears in the vapour barrier above the insulation in the attic the heat with our homes will escape inside attic and hit the underside of the freezing frosty roof deck. Condensation results and quickly freezes. When it warms up in need ...

Source: http://www.1up.com/do/blogEntry?bId=9103598

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