Deck materials

Pressure-treated wood vs. cedar vs. composite vs. PVC.

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Pressure-treated pine

$15–$25 / sq ft installed
Lifespan
15–25 years
Maintenance
High — stain/seal every 2–3 yrs
Climate fit
All; treatment protects against rot
Install time
4–7 days for a typical 16x20 deck
Pros
  • Cheapest deck material
  • Widely available
  • Familiar look
Cons
  • Splinters, warping over time
  • Frequent re-staining
  • Color fades fast

Cedar / redwood

$22–$40 / sq ft installed
Lifespan
20–30 years
Maintenance
Medium — annual stain, occasional board replacement
Climate fit
All; naturally rot-resistant
Install time
4–7 days
Pros
  • Beautiful natural look
  • Naturally resists rot and bugs
  • Mid-range cost
Cons
  • Higher than PT pine
  • Soft wood — dents and scratches
  • Color silvers without finish

Composite (Trex, TimberTech)

$30–$55 / sq ft installed
Lifespan
25–30 years
Maintenance
Very low — soap & water wash
Climate fit
All; doesn't rot, warp, or splinter
Install time
5–8 days
Pros
  • No sealing or staining ever
  • Splinter-free
  • 25-yr+ warranties typical
Cons
  • Higher upfront cost
  • Hot underfoot in direct sun
  • Can scratch

PVC / cellular plastic

$35–$60 / sq ft installed
Lifespan
30–50 years
Maintenance
Lowest — rinse occasionally
Climate fit
All; nothing organic to rot
Install time
5–8 days
Pros
  • Longest lifespan
  • No moisture absorption
  • Lightweight
Cons
  • Highest cost
  • Can look "plastic"
  • Heat expansion needs install allowance

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