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Is it necessary to use end caps on a deck board?

End caps are recommended for decks with a rail system to cap the end of a deck board. They help prevent moisture, dirt, and insect infiltration into the hollow center of the deck board. End caps provide a finished look to the end of a deck board.

What are composite decking end caps?

A few composite decking manufacturers offer end caps that insert into the profile of hollow or ridged deck boards. These plastic caps go on fast and provide a finished look that protects the exposed edges from moisture, debris, and insect nests.

Can Trex composite decking be sanded?

Even so, the cut ends of Trex composite decking can require more attention than those of wood decking. With wood, you can just sand and/or router the cut ends and then stain or seal them. With composite decking, the cut ends must be handled differently.

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