UPDATE 1-Building Materials files for Chapter 11 protection

* Secures $80 Mln in DIP Financing

* Lists total assets $480.1 mln, liabilities $481.3 mln (Adds details from court filing)

June 16 (Reuters) - Construction services company Building Materials Holding Corp said it filed for Chapter 11 bankruptcy protection and inked an agreement with a secured lender group to restructure its balance sheet.

The San Francisco-based company, which provides building materials to home builders and contractors, said it received commitments for $80 million in debtor-in-possession financing from Wells Fargo Bank and certain of its other existing lenders.

In a filing that included the company's subsidiaries on Tuesday with the U.S. Bankruptcy Court for the District of Delaware, the company listed total assets of about $480.1 million and total liabilities of about $481.3 million.

As per the proposed plan of reorganization, the company's existing secured lenders will convert their interests into equity in the newly reorganized company and will receive interests in $135 million in newly issued long-term notes.

The case is: Building Materials Corp, U.S. Bankruptcy Court, District of Delaware, No. 09-12074. (Reporting by Chakradhar Adusumilli in Bangalore)