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 * Syvrud Cherri   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) Senior Vice President (Last) (First) (Middle) 3556 LAKESHORE RD., P.O. BOX 2028 3. Date of Earliest Transaction (Month/Day/Year) 03/01/2019 (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 03/01/2019   A   506 (1) A $ 0 (1) 1,534 D   Common Stock 03/01/2019   F   172 (2) D $ 40.56 (2) 1,362 D   Performance Stock Unit (March 2019) (3) 03/01/2019   A   7,150 (3) A $ 0 7,150 D   Restricted Stock Unit (LTIP 3/1/2019) (4) 03/01/2019   A   1,787 (4) A $ 0 1,787 D   Restricted Stock Units (LTIP 3/1/2018) (5) 03/01/2019   D   506 (6) D $ 0 (6) 1,518 D   Common Stock               220.574 I 401(k) Discretionary Restricted Stock Units (February 2017)               2,000 D   Performance Stock Units (February 2017)               1,350 D   Performance Stock Units (March 2018)               7,732 D   Restricted Stock Unit (LTIP 6/10/2016)               911 D   Restricted Stock Units (LTIP 02/01/2017)               726 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

Restricted Stock Unit (MSPP Match Post-2012)

(7)

(7)

(7)

Common Stock

2,184.03

2,184.03

D

Restricted Stock Unit (MSPP Post-2012)

(8)

(8)

(8)

Common Stock

2,184.03

2,184.03

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Syvrud Cherri 3556 LAKESHORE RD. P.O. BOX 2028 BUFFALO, NY 14219-0228			Senior Vice President

Signatures

/s/ Paul J. Schulz, Attorney in Fact for Cherri Syvrud		03/05/2019
**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 Performance Units which will be awarded to the Reporting Person under the Company 's Equity Incentive Plan upon achievement of the targeted return on invested capital for 2019. The maximum number of Performance Units which may be earned is two hundred percent (200%) of the Performance Units awarded for target level performance and the minimum number of Performance Units which may be earned is zero (0) Performance Units.
(4)	Represents 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 March 1st, 2020 and on each March 1st thereafter through March 1st, 2023.
(5)	Represents 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 March 1, 2019 and on each March 1st thereafter through March 1, 2022.
(6)	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 March 1, 2018 award date.
(7)	Restricted stock units are forfeited if Reporting Person's service as an officer of the Company is terminated prior to age sixty (60). If service as an officer continues through age sixty (60), restricted stock units are payable solely in cash in one lump sum payment or in five (5) or ten (10) consecutive, substantially equal annual installments, whichever distribution form is elected by the Reporting Person, beginning six (6) months following termination of service. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as an officer of the Company.
(8)	Restricted stock units are payable solely in cash in one lump sum payment or in five (5) or ten (10) consecutive, substantially equal annual installments, whichever distribution form is elected by the Reporting Person, beginning six (6) months following termination of service as an officer of the Company. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as an officer of the Company.

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