The snow melts in March, and your deck looks rough, so the composite vs wood decking question suddenly feels urgent. Gray boards. A few popped nails. One plank curled at the edge like a potato chip. Here’s the short version: both can survive a Northern Illinois winter, but they fail in very different ways, and they ask very different things from you.
What Winter Really Does to a Deck
One of the biggest problems for wood decking is repeated exposure to moisture. Wood absorbs water and can swell, shrink, warp, or crack as moisture levels and temperatures change. Repeated wetting and drying, along with freeze-thaw cycles, can also contribute to loose fasteners and surface damage. Choosing deck materials for cold climates means considering moisture resistance, installation details, and ongoing maintenance. Manufacturer test results can be helpful, but compare independent information and product-specific warranties as well.
How Wood Holds Up
Wood is still a practical choice. It often costs less upfront, offers a warm, natural look, and makes individual board replacement relatively straightforward. The tradeoff is maintenance. Depending on the wood species, finish, exposure, and product instructions, cleaning and refinishing may be needed periodically. Neglected boards can weather, splinter, or deteriorate faster.
Weather matters here, too. Many exterior stains and finishes require specific temperature and drying conditions. Check the product label before applying a finish, and choose a dry stretch of suitable weather rather than relying on a fixed seasonal schedule.
How long will your deck last? That depends on wood species, treatment, construction quality, drainage, exposure, and maintenance. Some pressure-treated decks need major repairs relatively early, while well-built and maintained wood decks can remain serviceable for decades.
How Composite Holds Up
Composite decking is popular with Illinois homeowners because it generally requires less routine finishing than wood. Most composite boards do not need regular sanding, staining, or sealing. Capped composite products are designed to resist surface moisture, but performance varies by brand and product. Some boards contain wood fibers, and no material is completely immune to weathering. Review the specific warranty and installation guide before deciding.
Composite boards expand and contract with temperature changes, so end gaps, side gaps, and fastener placement must follow the manufacturer’s instructions. Incorrect spacing can cause movement or buckling. Some products also have minimum installation-temperature requirements, which installers should check before working in cold weather.
And ice? It forms on any surface, composite included. Slip risk doesn’t disappear.
Snow, Ice and Salt
Clear snow with a broom or a plastic shovel used carefully to avoid scratching the surface. Do not chip ice with sharp tools. Before using any de-icer, check the decking manufacturer’s care instructions: some products allow certain ice melts, while others restrict them. Avoid assuming that rock salt or other de-icers are safe for every wood or composite deck. Clear residue according to the product guidance when conditions permit.
What It Costs Over Time
Composite decking typically has a higher upfront material price than basic pressure-treated lumber, but the total installed cost depends on the brand, board profile, framing, railings, labor, and site conditions. Wood may require periodic cleaning and refinishing, while composite usually needs routine washing rather than staining. Ask for itemized quotes and compare realistic maintenance costs over the time you expect to own the home.
Low-maintenance decking can make financial sense over time when it reduces refinishing work. The better choice depends on your budget, the products being compared, and how much upkeep you are willing to do.
Permits and Footings Still Apply
The decking boards are only part of the picture. The frame underneath, the flashing where the deck meets the house, and the footings all play a major role in how long the structure lasts. No matter which decking material you choose, poor construction can shorten its lifespan. One common mistake is leaving out the flashing where the deck connects to the house, allowing moisture to cause damage over time.
Do not assume a deck is permit-exempt. Permit requirements, zoning rules, footing depth, guardrails, stairs, inspections, and design loads depend on the location and deck design. Some jurisdictions provide limited exemptions for certain small, low, freestanding decks, but an exemption is not universal. Ask your local building department what applies to your property before construction begins. Footing depth and structural details should follow the approved plans and applicable local code rather than a single statewide rule of thumb.
Which One Should You Choose?
Ask three questions: How long are you staying? How much maintenance are you comfortable with? What is the total cost now versus later? Wood may appeal if the initial budget is tight and you like its natural appearance. Composite may be a better fit if reducing refinishing work is a priority. Compare traction, heat retention, warranty terms, and wear characteristics for the specific products you are considering.
If a standard rectangular deck does not fit your yard, custom decks can accommodate multiple levels, built-in seating, and layouts that make better use of your outdoor space.
Before you commit, get itemized prices for both materials, including framing, railings, and installation. When you’re ready, request a deck estimate and compare the options side by side.
Conclusion
Wood is a good choice when the upfront budget matters most and you like its natural look. Composite is worth considering when you’d rather spend less time on upkeep. Neither one is a shortcut around good construction. Poor framing and inadequate footings can cause trouble regardless of the boards you choose. Match the material to your budget, maintenance preferences, and plans for the home.
Ready to Build Your Deck?
Not sure whether composite or wood is the better fit for your home and your winters? Scheibe Construction can discuss decking options across McHenry, Lake, Kane, and Walworth counties. Contact Us to get the right solution for your deck.
FAQs
Is composite decking worth the extra cost?
It often is if you don’t want to spend your weekends staining, sealing, and maintaining a deck. The initial price is higher, but the ongoing maintenance costs are generally lower.
Does composite decking crack in winter?
Quality capped composite decking generally performs well through cold weather, but cracking or edge damage can still occur from impacts, unsuitable fasteners, or improper installation. Follow the specific product’s installation and temperature guidance.
Can I shovel snow off a composite deck?
Yes. Use a plastic shovel carefully or a broom, and avoid sharp metal blades that could damage the surface. Follow the decking manufacturer’s snow-removal guidance.
How long does a wood deck last?
The lifespan of a wood deck varies widely with material quality, climate exposure, drainage, and maintenance. A well-constructed, properly maintained deck may last for decades, but individual boards or structural components may need attention sooner.
Do I need a permit to build a deck in Illinois?
Many deck projects require permits, and some jurisdictions exempt certain small, low, freestanding decks. The exact thresholds and conditions vary, so check with the local building department before building.