Cost per square inch of asphalt roofing is also contingent upon labor costs. Consider the cost of labor for putting on the roof as well as the cost of the materials. Determine the cost of roofing in your local area. You can then get quotes from multiple companies. You can then evaluate these quotes by comparing them to the average. Make sure you also consider the reputations of the different companies as well. Once you’ve done that, you’ll be able to decide which would be best for your home and your budget. oa1swrb1nb.