Staples - Johnstown 590 Galleria Dr, Johnstown PA 15904 Phone Number: (814) 262-9096
The distribution of manufacturing overhead costs to individual product unit, or production batches generally, requires a base or a cost driver, to which reference a rate, known as material burden rate applies. Material burden is the amount of manufacturing overhead costs that a unit of the base carries.
Cost of Roofing Materials. The cost of materials can be calculated by finding the square footage of your roof, looking at the type of material you want to use and figuring out how much of that material you need. Most roofing contractors give their materials cost in terms of 10 ft. x 10 ft. squares (100 square feet). Most materials cost about $150 per square. This list will give a sense for the relative costs of materials. Membrane (modified bitumen): $50 per square.