Amerigreen Construction works closely with trusted manufacturers and local supply houses to provide you with high-quality materials and labor. One of the most important aspects of any home improvement is the guarantee of quality and a warranty to back it up. We are authorized by all the major manufacturers including CertainTeed, GAF Elk, Owen’s Corning, and Mastic to offer an upgraded warranty on both materials and labor, up to 50 years of protection! On top of the manufacturer’s warranty, Amerigreen Construction provides a labor and material warranty on every project, a minimum of one year from the date of installation. We take responsibility for every project and guarantee a level of service that should be expected from any professional contractor.