Lumberock - Marine Grade Decking

2 x 4 Board

2x4 Composite Deck Railing Board

Color Options

Product Description

Composite 2×4 boards manufactured with a proprietary mineral fill technology. Because Lumberock is made with a non-organic mineral fill technology, our 2×4 boards are impervious to moisture and resistant to rot and bacteria.  

Choose from 12 vibrant designer colors that will maintain their color for decades with our UV resistant color formula. All 2×4 boards come with a limited lifetime warranty guaranteed to keep your board looking good for half a century or more. 

2x4 Board Specifications


Order Custom 2x4 Boards

Custom lengths of our beyond composite 2×4 boards can be purchased with a minimum order of 1,000 feet or more.

The leading composite 2x4 board