Building in Fresh Water

Building in Fresh Water

When building in or around freshwater, always use lumber treated for Ground Contact.

Whatever project you're tackling, it's always important to check the end tag for the appropriate retention levels. Boat docks, walkways and boardwalks are exposed to frequent wetting from waves, water level fluctuations, excessive vegetation and other factors. The combination of these conditions can create a high hazard exposure environment that is extremely tough on wood.

Because of this, it is recommended that all material used for freshwater projects be rated for Ground Contact applications. When planning your next freshwater project, make sure you use pressure treated lumber at the right retention level.


  • Walkways & boardwalks
  • Floating docks
  • Submersible docks
  • Sea walls


  • Decking
  • Joists
  • Cross bracing
  • Support posts


  • Floating docks
  • Cross bracing
  • Subject to immersion
  • Walkway
  • Sea wall
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