Do you need to understand the foam insulation board r value for your latest project so you can plan ahead with dimensions and thicknesses? At Universal Foam Products we have an online calculator that can give you an instant reply comparing r-values achieved and density of product required. Choose from calculations based on three densities and two ambient temperatures to give you a range to work with. Any more questions on achieving the r-values that your building standards require? Call the foam experts today on 410-498-0000.