Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  CD&R Associates VIII, Ltd.
 2. Date of Event Requiring Statement (Month/Day/Year)
10/01/2015		 3. Issuer Name and Ticker or Trading Symbol
BEACON ROOFING SUPPLY INC [BECN]
(Last)
(First)
(Middle)
C/O MAPLES CORPORATE SERVICES LIMITED, P.O. BOX 309, UGLAND HOUSE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

GRAND CAYMAN, E9 KY1-1104		 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 8,536,500
I
By affiliate (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
CD&R Associates VIII, Ltd.
C/O MAPLES CORPORATE SERVICES LIMITED
P.O. BOX 309, UGLAND HOUSE
GRAND CAYMAN, E9 KY1-1104		     X    
CD&R ASSOCIATES VIII, LP
C/O MAPLES CORPORATE SERVICES LIMITED
P.O. BOX 309, UGLAND HOUSE
GRAND CAYMAN, E9 KY1-1104		     X    
CD&R Investment Associates VIII, Ltd.
C/O MAPLES CORPORATE SERVICES LIMITED
P.O. BOX 309, UGLAND HOUSE
GRAND CAYMAN, E9 KY1-1104		     X    
CD&R Roadhouse Holdings, L.P.
C/O MAPLES CORPORATE SERVICES LIMITED
P.O. BOX 309, UGLAND HOUSE
GRAND CAYMAN, E9 KY1-1104		     X    

Signatures

CD&R Associates VIII, Ltd. By: /s/ Theresa A. Gore, VP, Treas. and Asst. Sec. 10/09/2015
**Signature of Reporting Person Date
CD&R Associates VIII, L.P. By: CD&R Investment Associates VIII, Ltd., its general partner, By: /s/ Theresa A. Gore, VP, Treas. and Asst. Sec. 10/09/2015
**Signature of Reporting Person Date
CD&R Investment Associates VIII, Ltd. By: /s/ Theresa A. Gore, VP, Treas. and Asst. Sec. 10/09/2015
**Signature of Reporting Person Date
CD&R Roadhouse Holdings, L.P. By: CD&R Associates VIII, Ltd., its general partner, By: /s/ Theresa A. Gore, VP, Treas. and Asst. Sec. 10/09/2015
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) CD&R Roadhouse Holdings, L.P. ("CD&R Holdings") directly owns 8,536,500 shares of Common Stock. CD&R Associates VIII, Ltd., as the general partner of CD&R Holdings, CD&R Associates VIII, L.P., as the sole stockholder of CD&R Associates VIII, Ltd., and CD&R Investment Associates VIII, Ltd., as the general partner of CD&R Associates VIII, L.P., may each be deemed to beneficially own the shares of Common Stock held by CD&R Holdings.
(2) Each of CD&R Associates VIII, Ltd., CD&R Associates VIII, L.P. and CD&R Investment Associates VIII, Ltd. expressly disclaims beneficial ownership of the shares of Common Stock held by CD&R Holdings, except to the extent of its pecuniary interest therein.

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