Bismarck Canvas, Inc. - Pro-Lok® and EXT Conversion: Home


Welcome to Bismarck Canvas, Inc.

We combine durability, strength and quality craftsmanship. If you're looking for the best in tarp systems, you've come to the right place. Our sales representatives are always available to answer any of your questions. Call Now 1-800-598-1203.

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Pro-Lok® Roll Tarp System   EXT Conversion®

Pro-Lok® offers the performance and options you need for your Semi Trailers, Farm Trucks, Grain Carts and Gravity Wagons

  • Powerful & Secure Dual Arm Electric
  • Most Wind Resistant Electric Conversion on the market
  • Climbs Heaped Loads with ease
Fitted Tarps and Flat Tarps   Replacement Tarps
Front Fitted, Four Corners Fitted and Flat tarps available for all your tarping needs.   Replacement Tarps available for all variety of Roll Tarp systems.