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Polyiso Continuous Insulation for Code-Compliant, High-Performance Walls

With the rise in importance of the energy code (IECC) continuous exterior insulation has become part of the solutions discussion.

This educational program and related modules are focused on the appropriate use of Polyiso sheathing and its application with respect to codes, standards, and other information useful for the proper installation by the construction industry.

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FSC Wall Calculator: I-Code Differences

The FSC Steel and Wood Wall Calculator tools provide water vapor control guidance to the user. The technical basis for the water vapor control checks has served as the basis for recent IBC and IRC code editions, including the forthcoming 2024 editions of the IBC and IRC. While the calculator strives for code consistency, it has maintained a more conservative position or provided additional features that are omitted from the codes. The reasoning and relevant building science for each case is outlined below as it relates to the 2021 editions of the IBC and IRC.

FSC Wall Calculators: I-Code Differences

The FSC Steel and Wood Wall Calculator tools provide water vapor control guidance to the user. The technical basis for the water vapor control checks has served as the basis for recent IBC and IRC code editions, including the latest 2024 editions of the IBC and IRC. While the calculator strives for code consistency, it has maintained a more conservative position or provided additional features that are omitted from the codes. The reasoning and relevant building science for each case is outlined below as it relates to the 2021 and 2024 editions of the IBC and IRC.

Building Designer Resources

We've gathered these resources to create and promote design tools that will make engineering evaluation, specification and implementation of innovative products easier. As this group of resources grows, these tools will range from design examples to “calculator” like tools. Please check back regularly for the latest state-of-the-art design support information.