

Proper roofing installation contributes up to 40-70 years in the lifespan of a metal roof. This beats the 30-50-year lifespan asphalt shingles and membranes have. If you want to install steel over asphalt, your best choice for installing metal roofing is to use a steel shingle system. Click here to know what Zona Roofing has listed the following tips for installing the steel roof.





