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.
Experts estimate that a patio roof could cost from $10-$50 per square foot. This wide budgetary range takes into account the varying costs of the materials listed above. As you begin to price patio roof additions with local roofers, a basic aluminum roof may cost $6000-$10,000 for a 20â x 20â area.Adding wood latticing to a roof of the same size could add $500-$10,000 onto a project.No matter what type of roof material you choose, venting is a top priority.his wide budgetary range takes into account the varying costs of the materials listed above. As you begin to price patio roof additions with local roofers, a basic aluminum roof may cost $6000-$10,000 for a 20â x 20â area.