Exhibit 16.1

September 17, 2004

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549

Commissioners:

We have read the statements made by ElkCorp (copy attached), which we understand will be filed with the Commission, pursuant to Item 4.01 of Form 8-K, as part of the ElkCorp’s Form 8-K report dated September 13, 2004. We agree with the statements concerning our Firm in such Form 8-K.

Very truly yours,

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP