The answer to 'cost to replace roof decking in my area' is that the cost can vary significantly depending on several factors, but typically ranges from $5 to $15 per square foot. The exact cost will depend on the size of your roof, the type of decking material needed, and the complexity of the job.
Some key factors that influence the cost include the accessibility of the roof, the condition of the existing decking, and whether any structural repairs are required. Additionally, labor costs can vary based on your local market and the availability of skilled roofing contractors in your area.