12-29-2008, 08:46 PM
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Deity
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Join Date: Jul 2004
Location: Saint Regis Falls, NY, USA.
Posts: 5,307
Thanks: 0
Thanked 148 Times in 143 Posts
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Ductwork if it isn't cross creased when manufactured willsnap and buckle when air is drawn through it. If there is a difference in temperature between the inside and outside condensation will form and drip inside it.
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