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Directory of Roof Assemblies (DORA)

Your Search Just Got Easier

It's challenging to specify the right materials and assemblies for a commercial roof system to satisfy a building's specific performance and safety requirements. Even with design considerations in place, existing resources for finding applicable roof assemblies are limited in scope, functionality, and can feel disconnected from the supplier companies. These fundamental challenges gave way to an initiative to create a solution to empower consultants, architects, building owners, and code officials with a better way.

These fundamental challenges gave way to an initiative from the Single Ply Roofing Industry (SPRI) to create a solution to empower manufacturers, consultants, architects, building owners, and code officials with a better way. The Directory of Roof Assemblies (DORA) (www.dora-directory.com) is a web application database of low slope roof systems tested in accordance with standards referenced in Chapter 15 of the International Building Code (IBC). Sponsored by SPRI and developed and administered by Intertek, this service lists wind uplift load capacity on single ply and modified bitumen roof systems. Pairing the latest advancements in user-friendly search technology with no charge to the public, DORA is a convenient and comprehensive solution.

DORA® is sponsored by SPRI and administered by Intertek.


How it Works

DORA® works through the voluntary participation of industry companies. Assemblies are created and submitted by participating companies and are accompanied by supporting documentation in the form of third-party validated test reports and qualified evaluations. Submissions are reviewed and verified by Intertek.

Features: 

Innovative Searching: Smarter tools to find the assembly you need

Project Library: Manage your projects, assign DORA® assemblies, store documentation, collaborate, and share

Save Searches & Notifications: Save a search and get notifications for new assemblies meeting its criteria


Why Use? 

  • Steel, concrete, wood, cementitious fiber, gypsum and panelized concrete roof decks
  • Latest advancements in intuitive searching techniques to find assemblies meeting your specific design criteria
  • Robust project management and collaboration tools
  • Saved searches and optional email notifications for new assemblies meeting your specifications
  • No erroneous assemblies or products
  • Mobile-friendly
  • Free to public