The answer is yes, you can lay new roof shingles over old ones. … But before we get started, one thing must be clear: adding new roofing over old (sometimes called a “re-roof”) is possible only with asphalt shingles (also called “composition shingles”).
Since a new roof can cost $15,000 or more, depending on the size, paying out of pocket is not an option for most homeowners. Financing by taking out a line of credit or a loan is how most homeowners pay for expensive repairs. Contact a licensed contractor to discuss roof replacement or repair options.
Cost of roof inspection. In interviewing highly rated service providers and perusing member reviews, our researchers found that roof inspection costs range from free to $200. One member reported paying $300 because the company returned the next day to replace several shingles.
According to Remodeling Magazine’s 2013 Cost vs. Value Report, a new roof increase home resale value by a national average of nearly $12,000. The survey also revealed that homeowners who have new roofing installed can expect to recover an average of 62.9% of the installation cost through increased home value.
Most building codes allow two layers of organic or fiberglass asphalt shingles on roofs with a 4/12 pitch or less, and three layers on steeper roofs. If the structure can support the added weight, a typical 20-square (2,000-square-foot) reroof will cost at least $1,000 less than a tear-off job.
This will prevent the roofer from claiming you have damage that isn’t really there. Minor repairs can cost anywhere between $100 and $400, depending on the degree of damage and the size of the affected area. Labor can cost anywhere from $50 to $80 per hour, depending on the complexity of the job.