If we find anything we will be sure to notify you and give you a free written estimate. If your roof hasn't been inspected in the last year, give us a call and schedule an appointment today! Whether you're building a new house or replacing an old roof, we can help you choose the right materials to install your roof worry-free, and on-time and in-budget. Many roofs need to be replaced every 15-20 years. Some will last longer, depending on the type of material originally used and quality of installation.