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Boats & Toys

Helm wiring, battery boxes, engine cowlings, trailer tongues, snowmobiles and ATVs in off-season storage.

A covered boat in a yard over winter is warmer and drier than everything around it, and it is full of soft wiring and closed-cell foam. Marine electrical damage is expensive, and it usually is not discovered until the first launch of the season, months after it happened.

Where to treat

  • The trailer tongue, frame rails and spring hangers, the route up from the ground.
  • The console and helm, at every cable pass-through.
  • The battery compartment perimeter and the cable entries into it.
  • The engine cowling seam and the rigging tube where cables enter the hull.
  • Drain plug openings, live-well penetrations and bilge access points.
  • On snowmobiles and ATVs, the seat base, airbox and wiring looms under the bodywork.

1·2·3 How to do it here

  1. Treat the trailer first, from the ground up, before you touch the boat itself.
  2. Open the console and battery compartment and collar every opening you find.
  3. Work around the engine and rigging tube, keeping clear of intakes and outlets.
  4. Do this before the cover goes on, not after, and check the cover for gaps at the bow and transom.
How much you need. A quart handles a boat and its trailer. A gallon covers a boat, a trailer and the powersports machines beside it.

Watch out for

  • Keep it off the propeller, prop shaft, trim rams and any polished or anodized surface on display.
  • Do not coat engine cooling water intakes or exhaust outlets.
  • Do not apply to upholstery, canvas covers or clear enclosure panels.
  • Do not rely on the cover alone. A covered boat is more attractive to a rodent, not less.
Get what you need

Ready to treat this?

Ships from Wisconsin in 1–2 business days. Free ground shipping on orders over $75.

Most Popular Repel Gel — 1 Quart
1 Quart (32 oz)

Repel Gel — 1 Quart

Brush-on gel barrier · deters rodents & insects

  • Easy brush-on application
  • Long-lasting barrier
  • Non-staining & clear dry
  • Indoor & outdoor use
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Best Value Repel Gel — 1 Gallon
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  • Brush or roller application
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