Trailer Rack Ladder Rack 'Cross-Member' For GridIron Ladder Racks

Piece together the perfect enclosed trailer ladder rack system for your specific needs.  The cross-member is used in GridIron ladder rack system to 'bridge' the gap across the width of the trailer's roof from post to post creating a platform to store ladders, lumber, pipe, etc. Each crossmember you add to your racking system can handle 500 pounds worth of ladders.  For example, if a GridIron ladder racking system uses 2 crossmembers, you can safely store 1,000 pounds of ladders on that racking system.  A 3 cross-member system holds up to 1,500 pounds, 4 will hold 2,000. The capacity can be doubled by adding a 'weight capacity booster' or 'stiffner angle' to each cross-member.  These are optional and sold separately. Includes: (1) Crossmember bar You may possibly also need: Another crossmember bar.  You will need at least 2 of these to mount ladders on top of your vehicle. 4 posts (3' minimum length) to attach your crossmembers to and (1) set of slotted mounting brackets to attached