An important part of designing and building a safe, code compliant structure is specifying and utilizing equipment, materials, and assemblies that have been evaluated to nationally recognized safety and sustainability standards.

Architectural services

Architectural support services

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

Frequently asked questions more

Questions that architects often have about UL services and certifications.

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.

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.

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.