X0306 4 2018-06-13 false 0000912562 GIBRALTAR INDUSTRIES, INC. ROCK 0001631948 Barberio Mark G 3556 LAKE SHORE RD BUFFALO NY 14219 true false false false Deferred Stock Units 2018-06-13 4 A false 1099.00 39.80 A 1099.00 D Represents shares of common stock which the Reporting Person is entitled to receive annually pursuant to the compensation program in effect for non-employee directors. Pursuant to the Company's Non-Employee Director Stock Deferral Plan, the Reporting Person has irrevocably elected to defer his receipt of the shares of common stock represented by the Deferred Stock Units. Six (6) months following termination of the Reporting Person's service as a Member of the Company's Board of Directors, shares of common stock represented by the Deferred Stock Units are issued to the Reporting Person in one lump sum or in five (5) or ten (10) substantially equal installments, whichever is elected by the Reporting Person. /s/ Paul J. Schulz, Attorney in Fact for Mark G. Barberio 2018-06-15