Exhibit 23.1


           CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
           --------------------------------------------------------

We hereby consent to the incorporation by reference in this Registration
Statement on Form S-3 of our report dated March 15, 2005 relating to the
financial statements and financial statement schedule, which appears in
Westlake Chemical Corporation's Annual Report on Form 10-K for the year ended
December 31, 2004. We also consent to the reference to us under the heading
"Experts" in such Registration Statement.


/s/ PricewaterhouseCoopers LLP
--------------------------------
PricewaterhouseCoopers LLP
Houston, Texas
November 22, 2005