Ply Gem (PGEM) 10-Q 2017 Q3 Quarterly report

Exhibit 32.1

Certification Pursuant to

18 U.S.C. Section 1350

As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the quarterly report on Form 10-Q of Ply Gem Holdings, Inc., a Delaware corporation (the “Company”), for the quarterly period ended September 30, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1.           the Report fully complies, in all material respects, with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.           the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	November 6, 2017	/s/ Gary E. Robinette
		Gary E. Robinette
		President, Chief Executive Officer, and Chairman of the Board