The answer to 'lifespan of roof replacement' is that a properly installed and maintained roof can last anywhere from 20 to 50 years, depending on the roofing material used. Asphalt shingle roofs typically have a lifespan of 20-25 years, while metal, tile, and slate roofs can last 40-50 years with proper care.
The lifespan of a roof replacement depends on factors like the quality of the materials, the skill of the installation, and how well the roof is maintained over time. Proper ventilation, regular inspections, and prompt repairs can help extend the life of a roof replacement. It's important to work with a qualified roofing contractor to ensure your new roof is installed correctly and lasts as long as possible.