X0306 4/A 2015-12-31 2016-01-05 false 0000912562 GIBRALTAR INDUSTRIES, INC. ROCK 0001608587 Heard Frank 3556 LAKE SHORE ROAD P.O. BOX 2028 BUFFALO NY 14219-0228 true true false false President and CEO Common Stock 2016-01-02 4 A false 4796.00 0.00 A 10787.00 D Amended due to administrative error arising from utilization of a new IT system for filing Form 4. Represents total shares of common stock acquired upon conversion of restricted stock units awarded as part of the Company 's Long Term Incentive Plan into common stock upon vesting. /s/ Paul J. Schulz, Attorney in Fact for Frank Heard 2016-01-07