Posts for the wettest jobs. Alaskan Yellow Cedar is denser than Red Cedar and among the most decay-resistant softwoods in the world: the pick for ground contact, coastal exposure, and anywhere replacement would be painful. 4x4 and 5x5 and 6x6 in 8 and 10 and some 12 feet. Best for Fence and deck posts in wet ground Dock and waterfront structures High-exposure gate posts Specs Species Alaskan Yellow Cedar Grade See our grading guide for what our grades mean. Nominal / Actual Sizes 4x4 = 3.5" x 3.5" · 5x5 = 4.5" x 4.5" · 6x6 = 5.5" x 5.5" (all actual) Lengths Available 4x4: 8, 10 ft · 5x5: 8, 10 ft · 6x6: 8, 10, 12 ft Moisture Content Kiln-dried (KD) Origin Sourced from Alaska, stocked at our Surrey, BC yard Helpful resources: Grading guide · Coverage calculator · WRC vs. Yellow Cedar guide Buying from William's CedarFree pickup at our Surrey yard (4748 152 St) with our Quality Promise: inspect every board before you load, and hand any board you don't love right back. No questions, no fees. Delivery across BC: text 778-322-4587 for a quote before you order.