Roofing Square Explained. The term roofing square and roof pitch are the most commonly used terms in the roofing industry. 1 roofing square = 100 square feet. It does not matter how you arrive at 100 square feet. 10 feet x 10 feet = 100 square feet or 1 roofing square. 5 feet x 20 feet = 100 square feet or 1 roofing square.
How much does it cost to produce 1 gallon of ethanol?It will cost about $1.10 to $1.20/gal to make the alcohol from various feed-stocks like corn, barley, potatoes, or Jerusalem artichokes. You will also have by-products which you can sell or use as animal feed, reducing the total cost down to about $.95/gal.. If you do this on a large enough scale, it will cost anywhere form $0.95/gallon to $1.40/gal to make the alcohol, depending on your feedstock. Look at my web pages, Mashing and Fermentation and also,  Molasses and Rum .
1 On average, alcohol rehab can cost anywhere from $75 to $150 per half-hour session. 2  Most experts will note that more than 20 to 30 sessions are required in order to see any significant improvements.3  For a family program that works with more than one person, the cost of a session can rise more than 20 percent. Check with your insurance company to see if this type of treatment would be covered. 2  According to the website AlcoholTreatmentClinics.com, the cost of alcohol rehab can be around $100 per individual session. 3  Family sessions can cost upwards of $12,000 per month.