34+ Owens Corning Ventilation Calculator
Did you know. A typical ranch style or four-square single family house in the US will have a roof area of about 15 to 20 squares.
 		 		 
 		
 	Ventilation Calculator Owens Corning Roofing 	
On the low-end you can expect to pay anywhere from 6375 to 8500 for a simple asphalt roof replacement job on a typical four-square or ranch style house while on the high-end your total cost could range from 9000 to 17000.
 		 		 		
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