Tech Today

Staying up to date

This month, in addition to The NRCA Roofing Manual: Metal Panel and SPF Roof Systems—2016, NRCA is publishing interim updates to the electronic versions of the 2014 and 2015 volumes. The electronic media delivery method allows NRCA to maintain the manual as an up-to-date reference for time-tested, successfully performing roof systems in a constantly changing roofing industry.

Updating the 2015 manual

Several sections of The NRCA Roofing Manual: Membrane Roof Systems—2015 are updated and revised with this interim update.

In Chapter 4-Rigid Board Insulation, Section 4.3-Expanded Polystyrene (EPS), the classification table based on ASTM C578, "Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation," and the text that accompanies the table have been revised to more clearly explain NRCA's recommendations.

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