Wisconsin decks take a beating: snow load, freeze-thaw cycles, spring rain, and summer sun. Choosing between pressure-treated lumber and composite decking is one of the first decisions you'll make, and it shapes the cost and upkeep of your deck for years.
Pressure-treated lumber
Pressure-treated (PT) lumber is the most common decking and framing material. It's strong, widely available, and the lowest upfront cost. The trade-off is maintenance: PT decking needs to be cleaned and stained or sealed every couple of years to keep it from cracking, splintering, and graying.
- Lowest upfront cost
- Easy to repair or replace individual boards
- Needs regular staining or sealing
- Can check, cup, or splinter over time
Composite decking
Composite boards are made from wood fibers and plastic, with a protective outer shell on most modern products. They cost more up front, but there's no staining, no sealing, and no splinters. Most come with long manufacturer warranties against fading and staining.
- Higher upfront cost
- No staining or sealing — just occasional washing
- Consistent color and grain
- Still built on a wood frame, so framing quality matters just as much
Either way, the frame is what makes a deck last. Proper footings, joist spacing for your decking, and flashing at the house matter more than the boards you walk on.
Planning a decks project? Get a free, detailed quote. It takes about two minutes.
Which one is right for you?
If you want the lowest cost now and don't mind a weekend of upkeep every couple of years, pressure-treated is a solid choice. If you plan to stay in your home for a long time and would rather spend weekends on the deck instead of working on it, composite usually pays off.
When you request a quote, choose "Undecided" for decking material and we'll price both options side by side for your deck.
