Blog
Best Decking Materials for Alaska
July 1, 2024
You pick a walking surface once—and live with maintenance, traction, and replacement cost for years. Here is how common decking options compare in cold, wet, high-swing weather.
The right material is the one that matches how much upkeep you will do, how your deck drains, and what your rails and framing demand—not whichever sample looked best in the store.
Composite decking
Composite decking resists rot, insects, and moisture, and doesn’t require staining or sealing. It holds up well to freeze-thaw cycles and heavy use. It’s a popular choice for low-maintenance decks that still look great.
Pressure-treated wood
Pressure-treated lumber is cost-effective and strong. When properly maintained—sealed and stained on a schedule—it can last a long time. In Alaska, keeping moisture out and preventing ice damage is key.
Wood options (cedar, redwood)
Cedar and redwood offer a natural look and some natural resistance to decay. They still need regular sealing and care in wet, cold climates. Many homeowners choose them for railings or accents rather than full deck surfaces.
What we recommend
For most Alaska homeowners, we recommend composite for the deck surface when you want minimal upkeep, or pressure-treated wood when you’re okay with periodic maintenance. The best choice depends on your budget, style, and how much maintenance you want to do.
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