10’0”W X 10’0” H openings

Generally designed to suit 10´ wide x 10´ high openings. The series D400 provides full access to the rear of the trailer while creating a tight seal against the top and sides of the truck.
Wear fl aps are located on the head curtain at the contact areas and a double layer of fabric is sewn onto the bottom 24˝ of the side curtains for added reinforcement.
With one of the largest selections and colours of fabrics available, LDC can offer the ideal solution for your unique loading dock requirements.

  • SAVE hundreds of dollars in reduced energy costs
  • IMPROVE working conditions by keeping dust, dirt, debris and insects out
  • PROTECT product and personnel from harsh weather conditions
  • INCREASE PRODUCTIVITY by providing a safe and comfortable working environment
  • DURABLE range of Hi-Performance fabrics to choose from
  • CUSTOM sizes available to suit any loading dock specifications




  • 1- Pressure treated framing resists rot (optional galvanized frame available)
  • 2- Stiffeners in head and side curtains help to maintain constant pressure against trailer ensuring a tight seal
  • 3- Raked head frame diverts water to sides
  • 4- Protective steel guards
  • 5- Replaceable wear flaps on head curtain help to extend life of unit
  • 7- 24″ yellow guides ensure accurate placement of trucks
  • 8- Translucent polyethylene sheeting with UV inhibitors allors light into loading dock area
  • 9- Foam filled edge creates a complete seal against truck
  • 10- Galvanized trim angle will not rust
  • 11- Double layer of protective fabric on bottom 24″ of side curtains
  • 12- Optional “REFLECTIVE GUIDES” to protect your investment
  • 13- Optional Gusset available(Strongly recommended)

Customize Your Dock to Suit Your Specific Needs

customize-D400-conventional Conventional foam pads protect against weather, but restricts access to the trailer opening.

customize-D700-unobstructed LDC’s D400 shelter provides full access to the rear of the trailer.


You can customize your dock seal with the ideal fabric for your application from a wide range of colours and fabrics available.

  • 22 oz Hi-Tear Vinyl customize-colors
  • 32 oz Hi-Tear Vinyl customize-black
  • 40 oz Hi-Tear Vinyl customize-colors
  • Hi-Performance Artic Seal customize-black
  • 16 oz Hi-Tear Hypalon customize-black
  • 40 oz Hi-Performance Hypalon customize-black