Instead of being smooth and nearly featureless like a kidney or spleen, the cerebral cortex (the thin layer of gray matter forming the outer surface of the brain) is chock-full of wrinkles and folds.Click on the image above for a larger view.nstead of being smooth and nearly featureless like a kidney or spleen, the cerebral cortex (the thin layer of gray matter forming the outer surface of the brain) is chock-full of wrinkles and folds.
Depending on the type of your roof, geographic location, and the company or weekend warrior you choose to hire, the total installed cost of a composition shingles roof could vary between $2.75 to $7.50 per square foot installed.
Type of roofing material matters. According to Homewyse, which provides average costs for home improvement projects, the cost per square foot for a shingle roof is between $5.43 and $7.05. That equates to about $1,086 to $1,409 per 200 square feet (or for two squares). Homewyse estimates the cost and labor for an asphalt roof for a 1,200-square-foot house in larger markets across the country ranges between $4,100 and $6,000.