 1933 – Interlocking shingles introduced

1941 - American assets seized as enemy property by the U.S. government.1965 - The U.S. government sells shares of GAF.1966 – General Aniline & Film acquires Sawyer's, manufacturer of photographic equipment

1967 – Ruberoid merges with General Aniline & Film and adopts the GAF name

1967 – "Timberline" architectural shingle introduced

1968 – General Aniline & Film Corp. formally changes its name to GAF Corporation

1982 – Samuel J. Heyman took control of the company

1987 – Samuel J. Heyman took the company private; it continues to be owned by the Heyman family

2004 – Introduced first pre-coated energy-efficient modified bitumen membranes

2005 – Introduced first energy-efficient asphalt shingle

2007 – GAF acquires ElkCorp

2010 – Introduced solar grade single-ply TPO membranes

2011 – First company to offer lifetime limited warranty on all laminated shingles

2012 – First company to offer lifetime limited warranty on entire roofing system

On Jan. 7, 2001, GAF's principal shareholder became the 27th company in the United States to file for protection under Chapter 11 of the U.S. Bankruptcy Code from liabilities relating to asbestos-related bodily injury claims.