The cost of constructing a modular house runs about 10 to 20 percent less than stick-built housing. Putting up a modular house takes far less time than the stick-built version. With a modular home, all parts are pre-cut, pre-cast and ready for assembly.
Steel and aluminum are the most popular metal roof materials. Metal roofing prices vary depending on the material. Costs usually range somewhere between $350 to $1,100 per square. A square equals 100 square feet and is the standard sizing for most roofing materials. Aluminum metal roof: Can cost anywhere between $700 and $1,200 per square foot. 2  Copper and zinc metal roofs: Averages $800 to $1,100 to purchase the materials. 3  Installation costs around $700 to $1,200 per square foot.
1 Steel roofing costs $3 to $10 per square foot ($4,500 to $15,000). 2  Zinc roofing costs $10 to $15 per square foot ($15,000 to $22,500).  Copper roofing costs $15 to $20 per square foot ($22,500 to $30,000).