<SEC-DOCUMENT>0001437749-19-007257-index.html : 20190416
<SEC-HEADER>0001437749-19-007257.hdr.sgml : 20190416
<ACCEPTANCE-DATETIME>20190416091219
ACCESSION NUMBER:		0001437749-19-007257
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20190416
DATE AS OF CHANGE:		20190416

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Perma-Pipe International Holdings, Inc.
		CENTRAL INDEX KEY:			0000914122
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP [3564]
		IRS NUMBER:				363922969
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0131

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-230895
		FILM NUMBER:		19750021

	BUSINESS ADDRESS:	
		STREET 1:		6410 WEST HOWARD STREET
		CITY:			NILES
		STATE:			IL
		ZIP:			60714
		BUSINESS PHONE:		8479661000

	MAIL ADDRESS:	
		STREET 1:		6410 WEST HOWARD STREET
		CITY:			NILES
		STATE:			IL
		ZIP:			60714

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MFRI INC
		DATE OF NAME CHANGE:	19970402

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MIDWESCO FILTER RESOURCES INC
		DATE OF NAME CHANGE:	19970402
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>ppih20190412_s3.htm
<DESCRIPTION>FORM S-3
<TEXT>
Document 1 - file: ppih20190412_s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.7
<SEQUENCE>2
<FILENAME>ex_140557.htm
<DESCRIPTION>EXHIBIT 4.7
<TEXT>
Document 2 - file: ex_140557.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.9
<SEQUENCE>3
<FILENAME>ex_140558.htm
<DESCRIPTION>EXHIBIT 4.9
<TEXT>
Document 3 - file: ex_140558.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>4
<FILENAME>ex_140556.htm
<DESCRIPTION>EXHIBIT 5
<TEXT>
Document 4 - file: ex_140556.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>ex_140559.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 5 - file: ex_140559.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>foley02.jpg
<TEXT>
Document 6 - file: foley02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>foley01.jpg
<TEXT>
Document 7 - file: foley01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ppih20190412_s3img001.jpg
<TEXT>
Document 8 - file: ppih20190412_s3img001.jpg

</DOCUMENT>
</SEC-DOCUMENT>