Master Chief Petty Officer is an E-9 rank of the UNSC Navy, and is a non-commissioned officer. It is equal in rank to Master Gunnery Sergeant in the UNSC Marine Corps, Sergeant Major in the UNSC Army, and Chief Master Sergeant in the UNSC Air Force.
1 If removing and disposing of the existing roofing material isn't included in an estimate, this can add another $3-$5 a square foot or $510-$1,100 for a basic ranch-style home -- and costs go higher depending on location and the difficulty of the removal project. According to RoofHelp.com, the average lifespan for 20-year asphalt shingles is about 14 years in Phoenix, Arizona; 19.5 years in Minneapolis, Minnesota; and 20.8 years in Reading, Pennsylvania.
New Roof Costs. 1  An asphalt shingle roof starts at $2 to $4 per square foot installed and might cost as much as $5 to $8 per square foot installed. 2  On a 1,500 square foot roof, that's a total estimated cost of $3,000 to $12,000. Wood shingles cost $6 to $9 per square foot installed ($9,000 to $13,500). 2  Galvanized steel is one of the most popular metal roof options and costs $9 to $13 per square foot installed ($13,500 to $19,500).