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.
Flat roofs can cost anywhere from $200 to $700 per square to install (a square equals 100 square feet). For a roof with 2,500 square feet or 25 squares, which is fairly typical, thatâs anywhere from $5,000 to $17,500. Tell us some details about your needs and get connected to pre-screened companies in your area.