Hansen Architectural Systems, Inc. Picket Railing Systems Hansen picket railings are available with a wide variety of top rail and picket options to create your own visual appeal. Choose 3/4" square or round pickets, one of our 25 top rail designs, and a core, stanchion or base plate mount. We manufacture custom waterjet infill designs that can be used in conjunction with pickets to add design flair. Choose from hundreds of RAL colors or an anodized finish to complete your Hansen railing specification. 
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