FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Watorek Jeffrey J.   2. Issuer Name and Ticker or Trading Symbol GIBRALTAR INDUSTRIES, INC. [ROCK] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) VP, Treasurer, Secretary (Last) (First) (Middle) 3556 LAKE SHORE ROAD, P.O. BOX 2028 3. Date of Earliest Transaction (Month/Day/Year) 09/06/2018 (Street) BUFFALO, NY 14219-0228 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock (1) 09/06/2018   A   142 (1) A $ 0 3,255 D   Common Stock (2) 09/06/2018   F   49 (2) D $ 45.05 3,206 D   RSU (LTIP 9/6/2016) (3) 09/06/2018   D   142 (3) D $ 0 284 D   Common Stock (401k)               333.905 I 401k Discretionary RSU (Feb 2016)               1,200 D   Discretionary RSU (May 2017)               2,000 D   Performance Stock Units (April 2017)               627 D   Performance Stock Units (March 2018)               3,778 D   Restricted Stock Units (LTIP 3/1/2018)               630 D   RSU (LTIP 4/3/2017)               380 D   RSU (LTIP 9/4/2015)               309 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Option (September 2009)

$ 13.72

(4)

09/14/2019

Common Stock

2,000

2,000

D

Option (September 2010)

$ 8.9

(4)

09/13/2020

Common Stock

2,000

2,000

D

Option (September 2011)

$ 9.74

(4)

09/13/2021

Common Stock

2,500

2,500

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Watorek Jeffrey J. 3556 LAKE SHORE ROAD P.O. BOX 2028 BUFFALO, NY 14219-0228			VP, Treasurer, Secretary

Signatures

/s/ Paul J. Schulz, Attorney in Fact for Jeffrey J. Watorek		09/10/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Represents the conversion of restricted stock units awarded as part of the Company 's Long Term Incentive Plan into common stock upon vesting.
(2)	Represents common stock retained by the Company upon conversion of Reporting Person's restricted stock units into shares of common stock in satisfaction of the Reporting Person's individual minimum statutory withholding obligation.
(3)	Represents the conversion of restricted stock units to shares of common stock upon vesting of restricted stock units awarded as part of the Company 's Long Term Incentive Plan. Twenty-five percent (25%) of the total units awarded vest and are payable, solely in shares of common stock of the Company on each anniversary of the September 6, 2016 award date.
(4)	Twenty-five percent (25%) of the total number of options granted vest and become exercisable on each anniversary grant date.

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