Pentalift manufactures a complete range of foam and air inflatable dock seals as well as rigid, flexible and air inflatable dock shelters. All products are designed to improve safety, protect merchandise, reduce cost and improve security at loading dock. The wide range of fabric materials, configurations, and options allow you to build the best solution for your application.

Pentalift Model PS400S Rigid Dock Shelter

The PS-400 Rigid dock shelter is designed to allow complete, unobstructed access to the rear of a truck/trailer for easier loading/unloading operations. The curtains of the shelter seal the top and sides of the trailer by exerting pressure through stays (fiberglass spring material) built into the top and side curtains. Standard units are supplied with bottom draft pads and heavy-duty structural steel protective guards.


  • Raked head to ensure proper rain run off
  • Fiberglass stays provided in side and head curtains create proper pressure of curtains against trailer
  • 30″ head curtain drop standard
  • 24″ wide side curtains standard
  • 18″-24″-30″ shelter frame projection standard
  • Enamel coated steel frame construction
  • Wind straps to maintain proper seal at top corners
  • Translucent panels cover head frame and side frames providing improved illumination during loading/unloading
  • 100% aluminum trim maintains building aesthetics
  • 4″ wide x 24″ high yellow guide stripes assists with proper vehicle positioning
  • Bottom cushions to provide a draft seal between side curtains and the building wall at dock height
  • Structural steel protective guards protect shelter side frames
  • Galvanized fasteners and hardware maintains building aesthetics
  • Wear pleats on corners of head curtain



  • Galvanized steel frame assemblies
  • Pressure treated wood frame and assemblies
  • Trailer door hinge gap seal
  • Full height yellow guide stripes
  • Higher or lower side frames
  • Wider or narrower head frame
  • Extended projection head frame and side frames
  • Tapered to suit declined or inclined approach
  • Wide range of covering fabrics and colors

For more information please visit Pentalift’s Website

Pentalift Model PS 100 Fixed Head Pad Dock Seal Pentalift Model PS200A Adjustable Curtain Dock Seal PSI 350 Inflatable Dock Seal
PSI 450 Inflatable
Rigid Dock Shelter
PSI 550 Inflatable/Retractable
Dock Shelter