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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.
The Directory of Roof Assemblies (DORA®) is a web application database of roof systems tested in accordance with standards referenced in Chapter 15 of the International Building Code (IBC).
This service lists wind uplift load capacity on single ply and modified bitumen roof systems.
Assemblies may be easily searched, viewed, saved, and printed.
DORA® is sponsored by SPRI and administered by Intertek.