About R

Rvalue Application now work out ceiling, floor or wall energy efficiency easily! With this calculator you can check out the effective Rvalue and Uvalue for a set of materials. This is used to work out the needed amount of insulating material to meet energy efficiency regulations for floors, ceilings or walls. Useful for a builder, architect, designer or home owner looking to improve energy efficiency and so to save money. Also useful for quickly comparing the energy efficiencies of different layers. You can select your material from a library for each layer. Proposed values can be changed freely too. With the thickness of the material the program calculates the Rvalue and Uvalue for your wall, ceiling or floor!


R downloads

Check these links to find your download for R for & iOS or for your device iPod TouchiPhoneiPad.

This app is available for

Compatible devices

The app R is compatible with te following devices.

iPhone screenshots for R

Screenshot R on iPhone