• AZEK average gross margin for 2023 was 29.72%, a 0.83% increase from 2022.
• AZEK average gross margin for 2022 was 29.97%, a 9.73% decline from 2021.
• AZEK average gross margin for 2021 was 33.2%, a 0.94% decline from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.