• Builders FirstSource average gross margin for 2023 was 34.93%, a 6.36% decline from 2022.
• Builders FirstSource average gross margin for 2022 was 32.84%, a 19.16% increase from 2021.
• Builders FirstSource average gross margin for 2021 was 27.56%, a 4.35% increase 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.