If your mobile home roof is repairable it might be cheaper than a roof over. TPO and EPDM membrane roofs are often easy to repair.
Asphalt shingles are a favorite roofing material for most home owners due to it's lower cost and variety of colors available.
Should you choose a metal roof or shingles? Asphalt shingle roofs are cheaper to install than metal roofing and as a result they can significantly decrease costs for homeowners.
The multiple layers of Bitumen sheets are an excellent choice for preventing water penetration and leaks in your roof.