Boat Antifreeze

BURST GUARD™ Guarantee -50˚C

Keep your boat afloat with WINTERPROOF™ Marine Water System Antifreeze solution, specially formulated for boats.


It’s smooth sailing with WINTERPROOF™ Marine Water System Antifreeze – now formulated specifically for boats. Keep your waterlines and heaters protected through harsh winters, and ready for the open water ahead.

Trust Winterproof™

  1. Complete water system protection.
  2. Alcohol free, non-flammable formula.
  3. Prevention of burst waterlines.
  4. Safe for engines.
  5. Safe for use on plastic and metal pipes.
  6. Inhibits rust & corrosion in metal pipes.
  7. Keeps waterlines, pipes, and seals lubricated.
  8. Specialized, ready to use formula.

Made for Canadian winters

Product Specifications

Item # Unit/Case Pack UPC SCC14
35-634WPMAR 3.78 L 05643438356349 40056438356347


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