SDG Hollow Metals is a wholesale distributor of Hollow Metal Frames, Hollow Metal Doors, Architectural Wood Doors (rated and non-rated), FRP Doors, Composite Doors, and Hardware. SDG Hollow Metals (a division of Seidl Door & Glass) has been serving Wisconsin and Northern Illinois for over two decades with the highest quality of products and service available.
We purchase direct which, allows us to remain competitive, lessens lead times, and reduces the risk of freight damage. We offer product sales, installations, and service contracts. Our installations are done by competent, certified installers. SDG Hollow Metals is also the only company in the region to offer galvanized hollow metal doors and frames as a standard.
SDG Hollow Metals is recognized by our customers for being competitive, honest and reliable.
We purchase direct which, allows us to remain competitive, lessens lead times, and reduces the risk of freight damage. We offer product sales, installations, and service contracts. Our installations are done by competent, certified installers. SDG Hollow Metals is also the only company in the region to offer galvanized hollow metal doors and frames as a standard.
SDG Hollow Metals is recognized by our customers for being competitive, honest and reliable.
Services
SDG Hollow Metals is proud to provide custom door and door frame solutions. Please contact us with your custom fabrication requirements for your hollow metal door and door frame needs. At SDG Hollow Metals, we understand that choosing the right commercial door supplier is just as important as choosing the right door manufacturer.
We are proud to distribute the finest door closer in today's market. DORMA is an innovator in door control solutions and has been manufacturing components for the commercial, industrial, institutional, and multi-family markets for over a century. They offer an outstanding 25 year warranty on their most popular series door closers and each closer comes with a scale size multi-mount door template.
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