| http://www.w3.org/ns/prov#value | - One of the results of this philosophy is Tyvek FlexWrap, which is used to wrap more difficult areas of the house such as doors and windows, according to Mr. Vergnano. ???In the construction market, every year there are $5 billion in litigation costs and 80% of these are moisture-related,??? he explained. ???Half of this involves the doors and windows.???
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