The answer to 'how much does roof decking cost in Illinois' is that the cost of roof decking can vary significantly depending on several factors. Roof decking, which is the structural base layer that supports the roofing material, is typically made of plywood, oriented strand board (OSB), or other engineered wood products. The cost of these materials can fluctuate based on the type of wood, the thickness, and the overall quality.
In general, homeowners in Illinois can expect to pay anywhere from $2 to $5 per square foot for basic roof decking materials. However, the total cost will also depend on the size of the roof, the complexity of the installation, and any additional labor or disposal fees. It's essential to get quotes from local roofing contractors to get an accurate estimate for your specific project.