Ownership Submission
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 *
Heard Frank
   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)
President and CEO
(Last)
(First)
(Middle)
3556 LAKE SHORE ROAD, P.O. BOX 2028		 3. Date of Earliest Transaction (Month/Day/Year)
09/30/2018
(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               39,475 D  
Performance Stock Unit (December 2015)               50,000 D  
Performance Stock Unit (February 2017)               9,217 D  
Performance Stock Unit (March 2018)               47,976 D  
Restricted Stock Unit (LTIP 01/02/2015)               4,797 D  
Restricted Stock Unit (LTIP 02/01/2016)               9,546 D  
Restricted Stock Unit (LTIP 02/01/2017)               12,544 D  
Restricted Stock Unit (LTIP 12/29/2014)               20,000 D  
Restricted Stock Unit (LTIP 3/1/2018)               41,979 D  
Restricted Stock Units (December 2015)               25,000 D  
Restricted Stock Units (February 2017)               20,000 D  
Special Performance Stock Unit (February 2017)               20,000 D  

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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) (1) (2) 09/30/2018   A   533.57     (2)   (2) Common Stock 533.57 $ 0 86,341 D  
Restricted Stock Unit (MSPP Post-2012) (3) (4) 09/30/2018   A   1,067.14     (4)   (4) Common Stock 1,067.14 $ 43.25 123,295.13 D  
Option (December 2015) $ 25.44             12/31/2018 12/31/2025 Common Stock 25,000   25,000 D  
Option (February 2017) $ 43.05             02/01/2020 02/01/2027 Common Stock 20,000   20,000 D  
Performance Units (2016) (5)               (5)   (5) Common Stock 55,928   55,928 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Heard Frank
3556 LAKE SHORE ROAD
P.O. BOX 2028
BUFFALO, NY 14219-0228		       President and CEO  

Signatures

 /s/ Paul J. Schulz, Attorney in Fact for Frank Heard   10/02/2018
**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 matching restricted stock units allocated to the Reporting Person after 2012 with respect to the Reporting Person's deferral of a portion of his annual base salary pursuant to the Company's Management Stock Purchase Plan.
(2) 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.
(3) Represents restricted stock units allocated to the Reporting Person after 2012 with respect to the Reporting Person's deferral of a portion of his annual base salary pursuant to the Company's Management Stock Purchase Plan.
(4) 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.
(5) Performance Units vest and are paid at the end of the three (3) consecutive calendar year periods ending December 31, 2018 or, if earlier, upon death, disability or retirement. Performance Units are forfeited if employment is terminated before December 31, 2018 for reasons other than death, disability or retirement or by the Company without cause. Performance Units are payable solely in cash in an amount equal to the ninety (90) day trailing average price of one (1) share of the Company 's common stock determined as of December 31, 2018, or if applicable, as of the Reporting Person's death, disability or retirement.

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