|Product Quality Conformance:
AHA administers a quality conformance program for Hardboard siding. Products are tested at an independent laboratory in accordance with Product Standard ANSI/AHA 135.6 and are stamped with this mark.
Participation in the program is voluntary. It is open to members and nonmembers of the Association.
The Objectives of this program are to maintain the quality of the industry's products; and to provide a means by which the public can have greater assurance of obtaining a dependable product adequate for its needs.