To make this page as useful as possible, please only link to static URLs and include a short description of the content of the source.

4Specs is pages and pages of product links, useful for finding products and cataloging binders.

National Roofing Contractors Association has many reference works online for free. The NRCA Roofing and Waterproofing Manual, 5th Edition is one of them. Site requires free registration.

OSHA Construction Resource Manual

InformeDesign

InformeDesign translates research into practice with succinct research summaries for design professonals of all kinds.  Registration, use of materials, webcasts, etc. are all free.

World Standards Network List and contact information for standard-developing organizations in multiple countries.