King Starboard, Marine Grade Polymer Building Sheet - King Plastic

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King Plastic
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The original and industry standard in marine-grade polymer.

King StarBoard can withstand the harshest marine conditions without warping, rotting or discoloring like teak and other solid woods. And it will not de-laminate like wood laminates when exposed to water or humidity. Manufactured through an advanced proprietary process called K-Stran, King StarBoard has superior flatness and consistency.

This marine building sheet has a low maintenance matte finish that hides scuffs and scratches, makes cleaning easy, and means repairs and refinishing are a thing of the past.


  •  Bow Pulpit
  • Countertops
  • Frames and Trim
  • Furniture
  • Grab Rails and Handles
  • Hatches and Doors
  • Rod and Cup Holders
  • Steps and Dock Boxes
  • Tray Tables

King starboard

King StarBoard and King StarBoard ST (Video)

Information on the King StarBoard polymer sheet by King Plastic Corporation ... read more
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Bending and Thermoforming Video

Bending and Thermoforming King Starboard Plastics (Video)

Here is a video describing the best ways to bend or conform King Starboard plastic. ... read more
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Please be aware that all products have a production or warehouse lead time. This is the number of business days (typically not including the day the product was ordered) that must pass before the item begins the shipping process. Please see the "Ships: In" information located within the main product description to the right of the product image and below the ADD TO CART button for that particular product's "Ships: In" timeframe.

IMPORTANT: Please note that these timeframes are estimates only based on the latest information provided to us by the manufacturer/supplier. Delays in both material, production and shipping timeframes by manufacturers can vary without advanced notice and while we do our best to keep "Ships: In" timeframes up to date we may not always be able to do so due to a variety of factors.

If a product is needed by a specific date we strongly recommend you reach out to our Sales team (1-800-869-1686) to verify shipping timeframes.

Canadian orders please add an additional 14 business days for processing and shipping. Alaska and Hawaii orders please add 1 additional warehouse processing day.

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