Exhibit 21.1

The AZEK Company Inc.

List of Subsidiaries

Entity	State	Country
CPG International LLC	Delaware	United States
Vycom Corp.	Delaware	United States
Scranton Products Inc.	Delaware	United States
Sanatec Sub I Corporation	Delaware	United States
Santana Products Inc.	Delaware	United States
CPG Sub I Corporation	Delaware	United States
CPG Building Products LLC	Delaware	United States
WES, LLC	Minnesota	United States
UltraLox Technology, LLC	Minnesota	United States
Versatex Holdings, LLC	Delaware	United States
Versatex Building Products, LLC	Pennsylvania	United States
Return Polymers, Inc.	Ohio	United States
StruXure Outdoor, LLC	Georgia	United States
INTEX Millwork Solutions, LLC	New Jersey	United States