NRCA Roofing Manual: Membrane Roofing Systems

About This Book

The NRCA Roofing Manual: Membrane Roof Systems is a widely recognized technical publication produced by the National Roofing Contractors Association (NRCA). It offers comprehensive guidance on the design, materials, and installation of low-slope and commercial membrane roofing assemblies, serving as an industry benchmark for best practices and construction standards.

Key Topics Covered

  • System Components: Detailed guidance on roof decks, vapor retarders, rigid board insulation, fasteners, and related accessories.
  • Membrane Technologies: Technical specifications covering Built-Up Roofing (BUR), polymer-modified bitumen, EPDM, thermoplastic membranes (TPO and PVC), and liquid-applied systems.
  • Configurations & Details: More than 200 standardized construction drawings and configuration references to support material selection and code compliance.
  • Re-covering Protocols: Step-by-step instructions for assessing existing roofs, evaluating drainage conditions, and determining whether to re-cover or perform a full tear-off.

Primary Uses

  • Field Reference: Widely used by roofing contractors, architects, and consultants as a day-to-day resource for installation standards and technical guidance.
  • Licensing Exams: Frequently required as a mandatory open-book reference for state contractor and commercial roofing licensing examinations.

Practice Tests Using This Book

This book is required or recommended for 1 licensing exam. We've written 44 practice questions directly from this material, each one citing the chapter and section it comes from.