The loading dock door is a major obstacle encountered when moving product in/out of your facility. 

Unfortunately all the investment made on the inside of your facility to maximize efficiency and productivity can be derailed by a failed dock door.

At DL Manufacturing we’ve created a specialized knockout door to insure that your product does not get stopped at the loading dock.

The brush that delivers value MxV uses brush instead of rollers or pins.  The polypropylene brush won’t wear or fray.  It’s washable and provides the best long term solution for sealing your dock door. More importantly, the brush allows the MxV to be knocked out and reset with ease.


The causes are all too familiar – a misguided forklift truck, a spring not lubricated or cable jump – the result is that your dock door is out of service and you need to ship product.  MxV can eliminate this problem!  MxV offers a flexible design that can be knocked out in either direction and reset by simply opening and closing the door. MxV keeps product moving at the loading dock door to improve productivity and efficiency

MxV provides a loading dock door that is consistently easy to operate. MxV has no wearing parts so the door operation does not change even if the door gets hit or damaged. This ease of operation reduces worker fatigue that can be associated with sectional doors that are hard to operate due to damage on the panels, rollers or track.

MxV saves energy by offering the best long term seal configuration available on the market today. The polypropylene brush seal helps to provide a better U–Factor (the lower the U–Factor, the greater a door’s resistance to heat flow and the better its insulating value) and eliminates costly side gaps that result from door damage, rubber seals that wear, improper installation or door size. This makes MxV the preferred door for food and cold storage applications. In addition to saving energy, MxV can also help the efficiency of the building’s refrigeration/heating systems by reducing load requirements during peak hours

MxV™ The Next Generation Knockout Dock Door.

Call us today to see how the MxV™ can REDUCE
for door replacement or repair.
Call Today Toll Free 866–235–7468.

    MxV DOOR

  • 3” thick UV inhibited weather resistant PVC panels
  •  Foam–filled insulated panels
  • Counterweighted or Torsion Spring lift
  • Vertical, Tilt Back, and High Lift applications
  • Self-correcting design, lift and shut to reset
  • Full 2–way knockout capability top to bottom
  • Up to 10’x10’ exterior door sizing
  • Windload Package Available (optional)

MxV™ Product Brochure
Vertical Lift Counterweight
- Approval Drawing
Vertical Lift Torsion Spring
- Approval Drawing
High–Lift Approval Drawing
Tilt–Back Approval Drawing
MxV™ Product Video (wvm)


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Proudly Manufactured in the USA