What Is WDMA Hallmark Certification?
WDMA Hallmark identifies windows, doors, and skylights that have been tested and certified for conformance with applicable performance standards.
Why It Matters
It gives builders, architects, and code officials a clearer verification path for submitted products.
Details
Issuing BodyWindow & Door Manufacturers Association (WDMA)
RegionNorth America
ValidityProduct-tied; ongoing certification requirements apply