ToolBase Services
The Home Building Industry's Technical Information Resource

Back to Standard View
Building SystemsHome Building TopicsDesign & Construction GuidesBest PracticesConstruction Methods

Autoclaved Aerated Concrete (AAC)

Manufactured building block made of all-natural raw materials

ACI International
American Concrete Institute
P.O. Box 9094
Farmington Hills MI 48333
(248) 848-3700
Web Site

Autoclaved Aerated Concrete Products Association
7638 Nashville Street
Ringgold GA 30736
(706) 965-4587
Web Site

Autoclaved Cellular Concrete
Developed in Sweden in the late 1920s, autoclaved cellular concrete (ACC) is a lightweight precast concrete building material that is cured under elevated pressure inside special kilns called autoclaves.
Web Site

Electric Power Research Institute (EPRI)
P.O Box 10412
Palo Alto CA 94303
Web Site

ICC Evaluation Service
5360 Workman Mill Road
Whittier CA 90601
(562) 699-0543
Web Site

National Concrete Masonry Association, Inc.
13750 Sunrise Valley Drive
Herndon VA 20171
(703) 713-1900
Web Site

Twenty-first Century Townhouses: Video
Available for purchase at the NAHB Research Center bookstore, this video provides an overview of the construction and finish of the Twenty-First Century Townhouses built in the NAHB National Research Home Park. The video details the construction of the townhouses which use four different structural systems-autoclaved aerated concrete, insulating concrete forms, precast concrete walls and light gauge steel frame, and structural insulated panels. It also explains some of the advanced energy efficiency concepts including the photovoltaic roofing system.
Web Site

Disclaimer: The information on the system, product or material presented herein is provided for informational purposes only. The technical descriptions, details, requirements, and limitations expressed do not constitute an endorsement, approval, or acceptance of the subject matter by the U.S. Department of Housing and Urban Development (HUD/FHA), The Partnership for Advancing Technology in Housing (PATH), or any PATH-affiliated Federal agency or private company. There are no warranties, either expressed or implied, regarding the accuracy or completeness of this information. Full reproduction, without modification, is permissible.