<SEC-DOCUMENT>0001104659-21-033079-index.html : 20210308
<SEC-HEADER>0001104659-21-033079.hdr.sgml : 20210308
<ACCEPTANCE-DATETIME>20210308110458
ACCESSION NUMBER:		0001104659-21-033079
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20210420
FILED AS OF DATE:		20210308
DATE AS OF CHANGE:		20210308

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LYDALL INC /DE/
		CENTRAL INDEX KEY:			0000060977
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				060865505
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07665
		FILM NUMBER:		21720998

	BUSINESS ADDRESS:	
		STREET 1:		ONE COLONIAL RD
		STREET 2:		P O BOX 151
		CITY:			MANCHESTER
		STATE:			CT
		ZIP:			06045-0151
		BUSINESS PHONE:		2036461233

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL BOARD CO
		DATE OF NAME CHANGE:	19700115
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>tm217668-2_def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: tm217668-2_def14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>lg_lydall.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lg_lydall.jpg

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<SEQUENCE>3
<FILENAME>sg_chad-mcdaniel.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: sg_chad-mcdaniel.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm217668-2_px1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm217668-2_px1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tm217668-2_px2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tm217668-2_px2.jpg

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<SEQUENCE>6
<FILENAME>tm217668d2-fc_annualinbw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm217668d2-fc_annualinbw.jpg

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<SEQUENCE>7
<FILENAME>tm217668d2-icon_inpersbw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tm217668d2-icon_inpersbw.jpg

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<SEQUENCE>8
<FILENAME>tm217668d2-icon_internet4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tm217668d2-icon_internet4c.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>tm217668d2-icon_mail4clr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: tm217668d2-icon_mail4clr.jpg

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<SEQUENCE>10
<FILENAME>tm217668d2-icon_teleph4clr.jpg
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<TEXT>
Document 10 - file: tm217668d2-icon_teleph4clr.jpg

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<SEQUENCE>11
<FILENAME>tm217668d2-lc_compreturn4c.jpg
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<TEXT>
Document 11 - file: tm217668d2-lc_compreturn4c.jpg

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<SEQUENCE>12
<FILENAME>tm217668d2-lc_comptsr4c.jpg
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<TEXT>
Document 12 - file: tm217668d2-lc_comptsr4c.jpg

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<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>tm217668d2-lc_grants4clr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: tm217668d2-lc_grants4clr.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>tm217668d2-pc_perfor4c.jpg
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<TEXT>
Document 14 - file: tm217668d2-pc_perfor4c.jpg

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