What Is a Scupper Valve

The Scupper Valve is designed to help keep water from entering via the scuppers AND to drain any water that may come over the side while you are paddling. The unique one-way valve lets water drain out of your boat, but will not let water enter through the scupper holes.

Are scupper holes necessary?

Scupper plugs are only applicable for kayaks that have scupper holes. Without scupper holes, there is simply no need for scupper plugs. It’s important to remember that scupper holes are included in sit on top kayaks for a reason. They are an important safety feature and highly recommended for beginner kayakers.

Why do kayaks have scupper holes?

Scupper holes are intentional holes in sit-on-top kayaks, like fishing kayaks. … They help give structural integrity to the kayak… They operate as a drain hole when you get water in your boat. This is especially key in rapids or waves when water can come in over the top.