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This report provides data and insights needed to understand the industry's performance, key trends, and future direction. The report is based on extensive industry input for product shipments in 2018 and was prepared, researched and analyzed by The Farnsworth Group.

In addition to analyzing the member surveys, the Farnsworth Group also conducted additional research by surveying professional contractors and primary channel retailers into the number of units shipped and installed.

This report delivers timely information on residential/light commercial window, patio door, residential entry door and interior architectural door market trends and product relationships; regional data, historic data from 2016 to 2017, and forecast data for 2019 through 2021.

Quick facts and key takeaways:

• Residential window and door growth deaccelerated slightly in 2018 with modest growth over 2017 with the expectation to stay at or slightly above these levels until subsiding in 2020.
• Sliding patio door growth is forecasted to decrease in 2019 and taper slightly in 2020/2021. Hinged patio doors, a lower volume unit compared to others, saw similar, if slightly lower growth in 2018. However, growth is expected to drop significantly in 2019 and continue declining through 2021.
• Commercial shop-built windows saw similar decreases in overall growth, comparatively to 2017 totals for units shipped. While 2017 showed signs of significant increases, growth declined in 2018 and is expected to continue along this trajectory through 2021.
• Shipments of architectural interior flush door leaves grew in 2018 at the levels expected based on last year’s report. Stile and Rail door panels also showed signs of growth over 2017 (albeit at much lower volume). Shipments for flush door leaves are expected to slow through 2020, while stile and rail is forecasted to show growth each year through 2021.

Along with shipments and forecasting information, the study also presents topline national and divisional data and detailed product data for the housing stock, new projects, and non-residential construction to enable insights into the industry.

The complete study is available for purchase online in the WDMA online store in the section for non-members. Individual market segments of the 2019 U.S. Market Study related specifically to windows/patio doors, entry doors and architectural doors are also available for purchase separately.