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.
High-performance topical coatings, such as epoxies and urethanes, will cost more -- typically $0.50 to $2.50 per square foot. In most cases, the investment in a sealer is well worth the expense, when you consider that the cost to replace concrete is generally $7 to $8 per square foot.