Resources for building officials

Building and Life Safety codes rely on the use of tested and certified products to meet safety and performance objectives. Code authorities rely on UL to provide world-class safety certifications, standards and technical information on products regulated by these codes.

Contractor certification programs

UL conducts a rigorous program to certify qualified contractors for applying spray applied fire-resistive materials and through-penetration firestop, joint, and perimeter fire containment systems. Learn more.  

Exterior walls

UL certifies exterior walls, doors and windows for fire-resistance ratings, exterior wall coverings, metal composite materials and external insulation and finish systems (EIFS). Learn more.

Fire protection systems

UL is the recognized leader in developing equipment standards and certifying products used in automatic sprinkler, standpipe and other extinguishing systems; portable fire extinguishers; fire detection and annunciation systems; smoke control systems; and systems designed to assist emergency responders. Learn more.

Fire-resistance and smoke protection features

UL certifies a wide range of materials, systems and assemblies used for structural fire resistance and fire-resistance-rated construction separation of adjacent spaces to safeguard against the spread of fire and smoke within a building and the spread of fire to or from buildings. Learn more.

Interior finish materials

UL tests and certifies materials used as interior finishes, trim and decorative materials in buildings. Learn more.

Means of egress

UL certifies products used to comply with means of egress (MOE) requirements, including products related to MOE illumination, door hardware, exit signage and luminous egress path markings. Learn more.

Plastic and foamed plastic building materials

UL tests and certifies foam plastic building materials, including foam plastic insulation, plastic veneer, interior plastic finish and trim and light-transmitting plastics. Learn more.

Roof assemblies

UL certifies roofing materials and roof assemblies for fire performance, hail resistance and resistance to wind uplift. Learn more.