The Great Depression did not fully end until the United States entered World War II in 1941. The war unified the country politically and revitalized industry and employment. The United States emerged from World War II as a major industrial and political power.
Depending on the type of your roof, choice of shingles, geographic location, and the contractor or weekend warrior you choose to hire, your total average cost for a composition shingles roof could range from $2.75 to $7.50 per square foot installed. â Thatâs anywhere from $275 to $750 per square.
This puts an average roof at $14,000 to $12,000. Natural slate is one of the most expensive roofing materials, but can raise the value of a home due to its character. It costs about $25 to $35 per square foot installed, or a total of $50,000 to $70,000 for the average roof.