Introducing Truplug® New Emergency Marine Leak Solution

TruPlug is a temporary or emergency plug for your boat where water would enter a circular, oval, or irregular hole caused by maintenance failure or hull breach due to impact. A 2” hole in your boat, only 1 foot below the waterline would fill a 55 gallon drum in 40 seconds. Bilge pumps can not keep up. You must stop the water.

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TruPlug is a tapered circular cone shaped plug made of a proprietary foam formulation that is a solid, spongy and coated with a flexible sealer 9" (23 cm) high, 4.75" (12 cm) diameter at base. Weight: 3.9 oz (110g).

See TruPlug In Action
"If it were not for the quick use of the TruPlug to stop the leak…the boat would have sunk." Sgt. Dan Smock of the Harbor Patrol

Click for full Newspaper article.


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   TruPlug sealing leak in Bayliner exhaust hose prior to dewatering.
37ft Bayliner, Vessel Assist personnel on board.


 Mouseover photos for larger image.

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Watch Demo Videos


Overview of TruPlug 2:02 mins


How to use TruPlug 2:34 mins


Using TruPlug on fittings, hoses, and valves 2:58 mins




TruPlug vs Wooden Plugs 3:08 mins

TruPlug Promo 1:04 mins

TruPlug Hull Testing 1:48 mins




Simulated through hull fitting being plugged 0:36 mins

TruPlug Product Video P.1 5:05 mins

TruPlug Product Video P.2 3:26 Mins



TruPlug is compressed by hand and inserted into the hole stopping or reducing the inward flow of water as the foam returns to its original shape.

TruPlug can also be cut with a razor knife and forced into elongated openings using a putty knife or similar tool.

TruPlug can be inserted into the ends of broken pipes by twist compressing before inserting and will need to be held in place.

TruPlug should be included with your damage control kit and kept with your vessel.

See how quickly a small hole or breach overwhelms your bilge pump on the flooding chart. Click here for FAQ - frequently asked questions (PDF).

TruPlug is not guaranteed to stop all water leaks and is designed to be used alone or in conjunction with other emergency equipment including bilge pumps. For boats under 30' we recommend two TruPlugs and a Minimum of three for any boat in excess of 30'. TruPlug Tech Tip

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   TruPlug can be cut to fit irregular holes to slow leaks.


Watch the video!

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Hull with several holes, being launched to show TruPlug in place, watch the video!


Product Details

Retail Price: $19.95

Dimensions: 5 inches x 9 inches


Units: 1

Shipping Weight: 8 ounces


The TruPlug is suitable for holes up to four inches in diameter.

For boats under 30’ we recommend two TruPlugs and a minimum of three for any boat in excess of 30’. This allows one TruPlug for a thru-hull/hose failure and provides spares for other holes or to cut in the event of a hull impact breach. Click here for FAQ - frequently asked questions (PDF).

The TruPlug is constructed of proprietary special purpose foam and coated with a flexible sealer adding strength and color.


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