As a benchmark, one inch of solid wood has an R-value of 1. In comparison, an inch of blown fiberglass insulation has an R-value of 3.1 - 3.4 and an inch of blown cellulose in an attic has an R-value of 3.2 - 3.7. Along with knowing the R-value of a particular insulation, it is also important to calculate the R-value of a total system.
54 MARTA Employee Salaries. MARTA employees earn $41,500 annually on average, or $20 per hour, which is 38% lower than the national salary average of $61,000 per year. According to our data, the highest paying job at MARTA is an Electronics Technician at $41,000 annually while the lowest paying job at MARTA is a Bus Operator at $32,000 annually. Advertisement.
How much does a Bus Driver make? The national average salary for a Bus Driver is $30,996 in United States. Filter by location to see Bus Driver salaries in your area. Salary estimates are based on 1,051 salaries submitted anonymously to Glassdoor by Bus Driver employees. Salaries for Related Job Titles