Exhibit

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated March 2, 2015relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in Simpson Manufacturing Co., Inc.'s Annual Report on Form 10‑K for the year ended December 31, 2014. We also consent to the reference to us under the headings “Experts” in such Registration Statement.