The "Web exclusive" section offers additional editorial and images related to articles available in Professional Roofing's print version and on its website. This section provides a valuable supplement to information in this issue. Web-exclusive information is updated monthly and is available only online.

Click here to view archived Web exclusives from previous issues.

Additional Professional Roofing articles about polyisocyanurate insulation's R-value

Facts about greenhouse gas emissions

More information about RoofPoint and the Center for Environmental Innovation in Roofing

Additional photos of the project

Contact information for the companies responsible for reroofing St. Monfort church

Natural disasters in Haiti

NRCA's Special Report: The New OSHA Crane Standard

NRCA Webinar Recording: How the New OSHA Crane Standard Affects You

The New OSHA Crane Standard interim compliance package

A table of NRCA's newly recommeded design R-values