<SEC-HEADER>0001558370-17-001167.hdr.sgml : 20170228
<ACCEPTANCE-DATETIME>20170228170409
ACCESSION NUMBER:		0001558370-17-001167
CONFORMED SUBMISSION TYPE:	10-K
PUBLIC DOCUMENT COUNT:		141
CONFORMED PERIOD OF REPORT:	20161231
FILED AS OF DATE:		20170228
DATE AS OF CHANGE:		20170228

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Summit Materials, Inc.
		CENTRAL INDEX KEY:			0001621563
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				471984212
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1227

	FILING VALUES:
		FORM TYPE:		10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36873
		FILM NUMBER:		17648896

	BUSINESS ADDRESS:	
		STREET 1:		1550 WYNKOOP STREET, 3RD FLOOR
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		303-893-0012

	MAIL ADDRESS:	
		STREET 1:		1550 WYNKOOP STREET, 3RD FLOOR
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Summit Materials, LLC
		CENTRAL INDEX KEY:			0001571371
		STANDARD INDUSTRIAL CLASSIFICATION:	GENERAL BUILDING CONTRACTORS - NONRESIDENTIAL BUILDINGS [1540]
		IRS NUMBER:				244138486
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1229

	FILING VALUES:
		FORM TYPE:		10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-187556
		FILM NUMBER:		17648897

	BUSINESS ADDRESS:	
		STREET 1:		1550 WYNKOOP STREET
		STREET 2:		3RD FLOOR
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		303-893-0012

	MAIL ADDRESS:	
		STREET 1:		1550 WYNKOOP STREET
		STREET 2:		3RD FLOOR
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
</SEC-HEADER>