Christopher Griffin, Ph.D.

New LTTR Values and What They Mean for Roofing Industry Professionals

Michael Cusick, Ph.D. Lance Wang, Ph.D. Christopher Griffin, Ph.D.

February 7, 2014

The ASTM C1289 Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board (ASTM C1289-13) was recently updated.

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Articles by Christopher Griffin, Ph.D.

New LTTR Values and What They Mean for Roofing Industry Professionals

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