The range is very easy to calculate because it is simply the difference between the largest and the smallest observed values in a data set. Thus, range, including any outliers, is the actual spread of data.
Re: Elastomeric Cool Roofing Systems Cost Per Sq? How Much You Guys Charging. Matrial and labor I can do them for $125 per sq depending on the project I can usually add between $75 up to $100 profit per sq and still stay competive with the competition.
R-values range from 11 to 38. The cost for batt and roll insulation starts at $0.12 to $0.16 per square foot for a three-and-a-half-inch barrier that provides a value of R-11. The cost of a single roll of reflective insulation varies according to its R-value.Typically, the cost averages $0.25 to $0.75 per square foot and comes in rolls up to 40 feet long.he cost of a single roll of reflective insulation varies according to its R-value. Typically, the cost averages $0.25 to $0.75 per square foot and comes in rolls up to 40 feet long.