Composite Decking · Illinois
Composite Decking in Illinois
Low-maintenance composite boards: benefits, tradeoffs, heat, color and installation needs for homes in Illinois, where the median home was built in 1975. Free referral to an independent contractor serving 123 covered ZIP codes.
Local guide
Composite Decking in Illinois: what to know
Quick answer
Composite Decking in Illinois is available through DeckBuildingServices.net, a free referral service that connects homeowners in 102 covered towns and 123 ZIP codes across Illinois with independent deck contractors. In our covered Illinois ZIP codes, the median home was built in 1975 and the area averages 121 freezing nights a year (NOAA).
Composite Decking and local data in Illinois
Composite's main tradeoff is surface heat, and in our covered Illinois ZIP codes sees about 17 days a year at 90°F or above. Color can be chosen mostly on looks, though full-sun decks still run cooler in lighter tones.
About 76 wet days and 78 freeze-thaw days a year make moisture-resistant capped boards a practical advantage over unsealed wood; with about 42.3 inches of snow, use the ice melt and shovel type the manufacturer allows.
With 59% detached homes, many projects in our covered Illinois ZIP codes re-deck an existing frame, so joist spacing must be checked against the board's span rating first.
| Decade built | Homes | Share |
|---|---|---|
| 2020 or later | 9,543 | 1% |
| 2010s | 55,207 | 4% |
| 2000s | 126,633 | 10% |
| 1990s | 154,071 | 12% |
| 1980s | 165,864 | 13% |
| 1970s | 230,197 | 18% |
| 1960s | 167,589 | 13% |
| 1950s | 160,949 | 13% |
| 1940s | 44,868 | 4% |
| before 1940 | 134,593 | 11% |
Who issues permits for composite decking in Illinois?
Illinois permits come from the city or county building department; new or structural work usually needs a permit. Contractor licensing and code details for Illinois are on our Illinois page.
How the work itself is done is covered in our composite decking guide.
FAQs
Composite Decking questions in Illinois
Who provides composite decking in Illinois?
Independent deck contractors. DeckBuildingServices.net is a free referral service: you call, confirm your ZIP code and describe the project, and you are connected with a contractor serving Illinois who gives their own site visit, written scope and price.
Do I need a permit for composite decking in Illinois?
Illinois permits come from the city or county building department; new or structural work usually needs a permit. Contractor licensing and code details for Illinois are on our Illinois page.
What affects the cost of composite decking in Illinois?
board line (capped vs. uncapped, premium vs. standard), color and heat-mitigating options and joist spacing changes on an existing frame. Locally, older homes (median build year 1975) more often need ledger or framing corrections. Prices come from the contractor after a site visit.
What decking material works best in Illinois's climate?
Capped composite is a good starting point: about 78 freeze-thaw days a year are hard on unsealed wood and roughly 42.3 inches of snow a year means regular shoveling.
Composite Decking by county
Composite Decking in Illinois towns
Illinois
Composite Decking in Illinois
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