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.
A good way to slow your metabolism and gain weight fast is to switch your exercise routine to be more weight focused. Weight lifting builds muscle mass, and when combined with a good protein intake it can really increase your weight.
Calculate How many calories you should eat in order for weight gain â Calorie Calculator. Enter your details in the Weight Gain Calculator and how fast you want to gain weight. It tells you how many calories to eat per day. How This weight gain calculator works. First it determines how many calories your body burns per day. The weight gain calculator first determines your resting metabolic rate (RMR) which is how many calories your body burns while resting.