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.
The average cost of new residential metal roofs is $5.50 per square foot of roof material. This is the average price per square for metal roof of mid-grade quality. A low-grade roof costs around $1.40 per square foot on the average.Some materials of high-grade quality are around $12 per square foot.Thus, the cost of new metal roof would range anywhere from $3,400 to $28,000 for a total area of 2,500 square feet.Keep in mind, the cost of material installation or removal is not yet included in these figures.his is the average price per square for metal roof of mid-grade quality. A low-grade roof costs around $1.40 per square foot on the average. Some materials of high-grade quality are around $12 per square foot.