Need help locating suitable fire-resistance rated assemblies and products that meet both design specifications and code requirements? UL certifications and expertise can help you find solutions.

Architectural services

Architect chat

Click on this button to chat online with UL subject matter experts. Chat is usually available Monday through Friday, 8:00 AM to 6:00 PM Central U.S. Time, except holidays.


UL product spec Search now

UL Product Spec is a powerful online search tool that helps you easily locate the UL certification information needed to achieve safe, sustainable code complaint installations. This search engine covers a wide range of construction materials, equipment and fire-resistance rated assemblies and systems. It includes the flexibility to search by product name, master format number, related installation code section, keywords and other terms.

UL evaluation reports more

UL Evaluation Reports are intended to provide guidance to architects, designers, code authorities, contractors, installers, and other built environment influencers that a new or alternative material, product, design or method of construction complies with the intent of the building codes.

Green building design more

Involved in a green building design and have questions about independent green claims validation, product certification, and related services? UL Environmental can help you compete successfully in the sustainable products marketplace. Obtain information that you can use immediately on these designs in the UL Green Construction Application Guide.

Achieving safe, code compliant designs more

UL offers many certification services to help you provide your clients with code compliant designs.

Technical resources more

UL has an extensive library of publications, technical articles, application guides, and world-class training from UL Knowledge Services that can provide the technical expertise you need to resolve a wide range of design challenges.

Frequently asked questions more

Questions that architects often have about UL services and certifications.

Additional architectural support

Have questions about fire-resistance rated designs, assemblies and systems? Please contact an Architectural Customer Service representative by email at archservices@ul.com, or toll free in North America at +1.877.854.3577, option 5.