The Window & Door Manufacturers Association (WDMA) defines the standards of excellence in the residential and commercial window, door and skylight industry, and advances these standards among its industry members – the product manufacturers. With the help of some of the most knowledgeable experts in the space, WDMA drives the development, creation and implementation of key standards for the window, door and skylight industry.

WDMA creates finished product standards to encourage the production of higher quality, more energy-efficient products with a clear value and certifiable performance advantage.

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WDMA sponsors the ANSI-accredited WDMA Hallmark Certification Program. The WDMA Hallmark Certification Program provides code officials, builders, architects and consumers with an industry-wide recognized certification process and listing of products that have demonstrated compliance with referenced performance standards. The WDMA Hallmark Certification Program provides certification to air, water, structural and impact performance standards.

Open Up to Performance™ to offer a wide variety of educational and informative content, including a separate website,, which contains blog posts, videos, podcasts and webinars, created and curated by industry experts. It is also supported by a robust social media campaign.

The website is intended to help residential builders and remodelers, as well as residential and commercial architects and specifiers make informed decisions about their customers’ windows, doors and skylights.

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