Frequently Asked Questions Please click on one of the following for answers to some of the more frequently asked questions 1. How is Nexcem Made? 2. What is the wood treatment process? 3. What are the Wall Form Unit Dimensions? 4. How does it compare to other ICF Products? 5. What is the thermal R Value of the Nexcem System? 6. What is the thermal performance of Nexcem in comparison to other systems? 7. How does Nexcem facilitate Healthy Homes and Healthy Living?