Our 6×6 Marine Grade Treated Timbers are either a #1 or #2 grade and below-ground Wolmanized® CCA-Treated for fresh-water marine exposure.  The #1 and #2 grade allows for knots, wane and other imperfections.  Available in 8′, 10′, 12′ and 16′ lengths.   Timbers are surfaced on all sides.  Actual timber dimension is 5-1/2″ thick by 5-1/2″ wide.  This timber is often used for structural supports, swing-sets, decks, fences and arbors.


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Additional Information

These boards are below-ground treated with a .80 retention level in CCA formula.  This higher treatment level allows these timbers to be exposed to fresh-water marine environments.

This timber arrives wet and will air-dry over time.

TIER DECK PACKAGE – We provide discounted tier pricing on all treated lumber orders starting at 50+ boards. This is a family pack, meaning the treated boards can be of various sizes and lengths to qualify for this discounted pricing.