The answer to 'cost to replace underlayment in my area' is that the cost can vary significantly depending on several factors. Typically, the cost to replace roofing underlayment ranges from $2 to $5 per square foot, but this can be influenced by the size of your roof, the type of underlayment material, labor costs in your local area, and any additional repairs needed.
The underlayment is a critical component of your roof system, providing an extra layer of protection between the shingles and the roof deck. Replacing it is often necessary if the existing underlayment is damaged, worn, or no longer providing adequate protection. Getting quotes from local roofing contractors is essential to determine the specific cost for your home.