    <SEC-DOCUMENT>0000920371-19-000002-index.html : 20190108
    <SEC-HEADER>0000920371-19-000002.hdr.sgml : 20190108
    <ACCEPTANCE-DATETIME>20190108153548
    ACCESSION NUMBER:		0000920371-19-000002
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		32
    CONFORMED PERIOD OF REPORT:	20190108
    ITEM INFORMATION:		Regulation FD Disclosure
    FILED AS OF DATE:		20190108
    DATE AS OF CHANGE:		20190108

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SIMPSON MANUFACTURING CO INC /CA/
    		CENTRAL INDEX KEY:			0000920371
    		STANDARD INDUSTRIAL CLASSIFICATION:	CUTLERY, HANDTOOLS & GENERAL HARDWARE [3420]
    		IRS NUMBER:				943196943
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13429
    		FILM NUMBER:		19515876

    	BUSINESS ADDRESS:
    		STREET 1:		5956 W LAS POSITAS BLVD
    		CITY:			PLEASANTON
    		STATE:			CA
    		ZIP:			94588
    		BUSINESS PHONE:		9255609000

    	MAIL ADDRESS:
    		STREET 1:		5956 W LAS POSITAS BLVD
    		CITY:			PLEASANTON
    		STATE:			CA
    		ZIP:			94588
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>form8-kitem701fddisclosure.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: form8-kitem701fddisclosure.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>simpsonmanufacturingcomp.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: simpsonmanufacturingcomp.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>simpsonmanufacturingcomp001.jpg
    <TEXT>
    Document 3 - file: simpsonmanufacturingcomp001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>simpsonmanufacturingcomp002.jpg
    <TEXT>
    Document 4 - file: simpsonmanufacturingcomp002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>simpsonmanufacturingcomp003.jpg
    <TEXT>
    Document 5 - file: simpsonmanufacturingcomp003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>simpsonmanufacturingcomp004.jpg
    <TEXT>
    Document 6 - file: simpsonmanufacturingcomp004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>simpsonmanufacturingcomp005.jpg
    <TEXT>
    Document 7 - file: simpsonmanufacturingcomp005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>simpsonmanufacturingcomp006.jpg
    <TEXT>
    Document 8 - file: simpsonmanufacturingcomp006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>simpsonmanufacturingcomp007.jpg
    <TEXT>
    Document 9 - file: simpsonmanufacturingcomp007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>simpsonmanufacturingcomp008.jpg
    <TEXT>
    Document 10 - file: simpsonmanufacturingcomp008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>simpsonmanufacturingcomp009.jpg
    <TEXT>
    Document 11 - file: simpsonmanufacturingcomp009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>simpsonmanufacturingcomp010.jpg
    <TEXT>
    Document 12 - file: simpsonmanufacturingcomp010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>simpsonmanufacturingcomp011.jpg
    <TEXT>
    Document 13 - file: simpsonmanufacturingcomp011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>simpsonmanufacturingcomp012.jpg
    <TEXT>
    Document 14 - file: simpsonmanufacturingcomp012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>simpsonmanufacturingcomp013.jpg
    <TEXT>
    Document 15 - file: simpsonmanufacturingcomp013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>simpsonmanufacturingcomp014.jpg
    <TEXT>
    Document 16 - file: simpsonmanufacturingcomp014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>simpsonmanufacturingcomp015.jpg
    <TEXT>
    Document 17 - file: simpsonmanufacturingcomp015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>simpsonmanufacturingcomp016.jpg
    <TEXT>
    Document 18 - file: simpsonmanufacturingcomp016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>simpsonmanufacturingcomp017.jpg
    <TEXT>
    Document 19 - file: simpsonmanufacturingcomp017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>simpsonmanufacturingcomp018.jpg
    <TEXT>
    Document 20 - file: simpsonmanufacturingcomp018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>simpsonmanufacturingcomp019.jpg
    <TEXT>
    Document 21 - file: simpsonmanufacturingcomp019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>simpsonmanufacturingcomp020.jpg
    <TEXT>
    Document 22 - file: simpsonmanufacturingcomp020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>simpsonmanufacturingcomp021.jpg
    <TEXT>
    Document 23 - file: simpsonmanufacturingcomp021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>simpsonmanufacturingcomp022.jpg
    <TEXT>
    Document 24 - file: simpsonmanufacturingcomp022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>simpsonmanufacturingcomp023.jpg
    <TEXT>
    Document 25 - file: simpsonmanufacturingcomp023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>simpsonmanufacturingcomp024.jpg
    <TEXT>
    Document 26 - file: simpsonmanufacturingcomp024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>simpsonmanufacturingcomp025.jpg
    <TEXT>
    Document 27 - file: simpsonmanufacturingcomp025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>simpsonmanufacturingcomp026.jpg
    <TEXT>
    Document 28 - file: simpsonmanufacturingcomp026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>simpsonmanufacturingcomp027.jpg
    <TEXT>
    Document 29 - file: simpsonmanufacturingcomp027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>simpsonmanufacturingcomp028.jpg
    <TEXT>
    Document 30 - file: simpsonmanufacturingcomp028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>simpsonmanufacturingcomp029.jpg
    <TEXT>
    Document 31 - file: simpsonmanufacturingcomp029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>simpsonmanufacturingcomp030.jpg
    <TEXT>
    Document 32 - file: simpsonmanufacturingcomp030.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>