Wood Frame / Steel Frame Wall Calculators

Design tools to help coordinate energy code thermal insulation compliance and building code water vapor control compliance

Educational Program: 2021 IECC Commercial Envelope

Presented at the 2022 Colorado Chapter of ICC Educational Institute, this course covers the importance of the building thermal envelope in the context of the 2021 International Energy Conservation Code. 

Code Compliance Reports

Complete listing of Technical Evaluation Reports for foam sheathing products

​Foam Sheathing Standards and Applications

Key standards for foam sheathing and applications of foam sheathing referenced by the building codes

Installation Accessories

Information materials such as tapes and fasteners that may be useful for installing foam sheathing products

Code References

A comprehensive listing of references to foam sheathing in the model building codes along with code adoption information for your project location

Case Studies

Projects using FPIS ci in a variety of applications.