The answer to 'how much does flat roof cost' is that the cost of a flat roof can vary significantly depending on several factors. Typically, the cost for a flat roof installation or replacement can range from $5,000 to $20,000 or more, depending on the size of the roof, the materials used, the complexity of the project, and your location.
Some key factors that influence the cost of a flat roof include the type of roofing material (such as EPDM, TPO, or PVC), the condition of the existing roof, the accessibility of the roof, and any necessary structural repairs or reinforcements. Additionally, labor costs can vary based on your local market and the expertise of the roofing contractor you hire.