Builders Vote Elk Shingles # 1 in Quality for 9th Consecutive Year

ElkCorp (NYSE:ELK) subsidiary Elk Building Products,
Inc. (Elk) roofing products, were named "Best Quality" in the category
of "Roofing: Asphalt/Fiberglass Shingles" for the ninth consecutive
year by readers of BUILDER magazine, a Hanley Wood publication.
   Thomas Karol, chairman and chief executive officer of ElkCorp,
said, "Our commitment to quality is the cornerstone of our company. We
are honored builders continue to recognize Elk as a quality leader in
the industry."
   BUILDER magazine surveyed over 6,200 readers classified as
"builder, builder-developer, and general contractor."
   Elk building products are considered among the best in the
building products industry and are preferred by many contractors and
homeowners. Elk, which was started in 1955, is a leading manufacturer
of premium building products and has developed many of the most
significant laminated roofing product innovations of the last twenty
years. Elk's brands include the Prestique(R), Domain(R) and
Capstone(R) lines laminated asphalt shingles, CrossTimbers(TM) brand
composite decking and fencing, and RailWays(TM) composite railing
systems. Elk operates manufacturing facilities in Ennis, TX;
Tuscaloosa, AL; Shafter, CA; Myerstown, PA; Fresno, CA; and Lenexa,
KS.

   About ElkCorp

   ElkCorp, through its subsidiaries, manufactures Elk brand premium
roofing and building products (over 90% of consolidated revenue) and
provides technologically advanced products and services to other
industries. Each of ElkCorp's principal operating subsidiaries is a
leader within its particular market. Its common stock is listed on the
New York Stock Exchange (NYSE:ELK). See www.elkcorp.com for more
information.

   About BUILDER Magazine:

   Distributed fourteen times a year by Hanley Wood, BUILDER magazine
is the official publication of the National Association of Home
Builders with a circulation of 139,011.
   (C) 2006. Elk Premium Building Products, Inc. All rights reserved.
All trademarks designated (R) are registered trademarks and all
trademarks designated (TM) are other trademarks of Elk Premium
Building Products, Inc. or its subsidiaries.