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 base layer that supports the shingles or other roofing materials, is typically made of plywood, oriented strand board (OSB), or other wood-based materials.
The cost of roof decking in Illinois can range from $1 to $4 per square foot, depending on the material, thickness, and quality. Factors that influence the cost include the size of the roof, accessibility, local labor rates, and any special requirements or customizations needed. It's important to get multiple quotes from local roofing contractors to get an accurate estimate for your specific project.