
Pressure-Treated Wood
Softwood lumber treated with preservatives to resist insects, fungal decay and moisture damage. The most common decking — and the framing under most other decks too.
- Cost
- Low
- Upkeep
- High
- Durability
- Good
Pros
- Lowest upfront cost — makes a large deck affordable
- Widely available and every contractor knows how to build with it
- Strong structural material for posts, beams, joists and stairs
- Real wood look and texture; can be stained or painted once dry
Cons
- Needs regular cleaning, staining and sealing
- Can crack, cup, twist or warp as moisture levels change
- Colour fades and weathers without upkeep
- Older boards can splinter underfoot
Best for — Homeowners who want the most deck for the budget and don't mind periodic maintenance.





