Only use this login to access MyHome, MyAgreements or ULiQ. Each option requires a different username and password.

North America
Europe
Denmark
France
Germany
Italy
Netherlands
Poland
Spain
Sweden
Switzerland
U.K.
Latin America
Asia Pacific
Argentina
Brazil
Mexico
Australia
China
Hong Kong
India
Japan
Korea
New Zealand
Broader and deeper than ever, UL's third annual global study examines manufacturer and consumer concerns and priorities across a wide range of product-related considerations.

more >
UL is proud to share New Science, a powerful initiative showcasing important ways we are making our world safer through fundamental discovery, testing methodologies, software and standards across four areas.
more >

STANDARDS

Thousands of products and their components are tested to our rigorous requirements every year.

DASHBOARD

UL's Dashboard tools enable businesses to meet evolving marketplace needs by being smarter, more efficient and faster than ever before.

learn more >

LIBRARY

MARKS HUB

SERVICES

STANDARDS

Share

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)

Exterior wall systems and components

UL's certification for exterior wall systems and components provides architects and building contractors the evidence needed to demonstrate compliance to code requirements for a wide range of properties including fire propagation resistance to NFPA 285, water penetration resistance to ASTM E331, and air leakage resistance to ASTM E2357.

Learn more

Fire-resistance rated wall assemblies

ULtimate Fire-resistance Design Wizard - Use this online tool to quickly locate fire-resistance rated exterior wall designs using common search terms. In a few steps you can find, view and print out the designs that meet your needs. Learn more.

Identifying fire-resistance rated exterior walls - The fire-resistive designs and the UL Classified materials are investigated with the understanding their use is limited to interior applications unless the design or the Classification information for the material includes a statement such as "Investigated for exterior use" or unless the exterior use is obvious as in the case of coated metal wall facings used in exterior walls.

External insulation and finish systems (EIFS)

EIFS consists of Classified foam plastic boards attached to wall panels and covered by a Portland cement or synthetic stucco system.  To find fire-resistance rated EIFS wall systems, use the ULtimate Fire-resistance Design Wizard and enter keyword "EIFS". 

Manufacturers of certified products and related information. 

Cementitious mixtures (UL 1715) Information   Manufacturers
Cementitious cement and plaster mixtures (UL 723) Information   Manufacturers
Foamed plastic (UL 723) Information   Manufacturers

Metal composite materials (MCM)

Metal composite materials are included under two Building Unit product categories. One category covers the MCM's surface burning characteristics and the other covers the use of these materials in fire-resistance rated designs. The fire-resistance rated designs in which these materials have been investigated are indicated in the individual manufacturers' certifications.

Building units (UL 1040) Information   Manufacturers
Building units (UL 723) Information   Manufacturers 
Building units (UL 1715) Information   Manufacturers
Building units, used in fire-resistance rated designs (UL 263) Information   Manufacturers

Related product certifications

The following products are commonly used on the exterior side of wall assemblies.

Concrete masonry units Information   Manufacturers 
Lumber, plastic Information   Manufacturers
Lumber, Treated Information   Manufacturers
Veneer Information   Manufacturers
Vinyl siding Information   Manufacturers