As buildings have become tighter, a variety of issues related to
roof ventilation—including ice damming, water condensation
and mold within the building envelope—have tormented owners
and contractors with increasing regularity. Many of these issues
have manifested as costly court battles and insurance claims
resulting in the general public's heightened awareness of these
concerns and increased accountability in the contracting
Professional roofing contractors have a distinct role to play to
ensure ventilation standards are...
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