What if water damage ruins the recently laid hardwood floors because of the plumber’s mistake? What if the electrician accidentally burns down the nearly completed house? Their limits of insurance will suggest whether the claim will be paid in full or in part, if covered at all. Who pays the difference? “Typically, the GC will be responsible for paying either the difference or covering the loss completely if the sub has no insurance coverage,” states claims expert Ken Bunn. These types of unnecessary risks can be avoided by GCs who clearly specify and enforce insurance requirements for their sub contractors.