Knockdown Rack vs. Welded Rack Home > Rack Education > Knockdown Rack vs. Welded Rack Rack Education Rack Terminology Open vs Closed Style Roll Form Uprights Roll Form Rack vs. Structural Rack Knockdown Rack vs. Welded Rack Push Back Jam Procedure Used Rack vs. New Rack Knockdown Rack Easier and less expensive to freight Easier to reconfigure or repair Reduced lead times Lower material costs Painted or galvanized finish Welded Rack Durability Uprights with offset or slope-back front legs, or with seismic or full-depth base plates, are generally stronger Welded-on seismic base plates allow for beam placement at ground level Less staging area required Quicker installation Lower installation costs