Rigid Foam- Page 2 of 5
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Problems with Attic Trusses
If you are designing with attic trusses to create conditioned living space, be warned it is difficult to detail this assembly, making it susceptible to heat loss and air leakage
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Design for Low-Carbon Building
Details from a Pretty Good House provide a roadmap to lowering a building’s carbon emissions
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IRC 2021 and the Ratio Rule for Hybrid Roof Insulation
Correcting an outdated table of energy code–mandated R-values
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Adding Exterior Insulation to Existing Homes
Firsthand experience informs this basic plan for installing rigid insulation on the outside of an older building
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Continuous Insulation, Part 2
An overview of the products most commonly used for exterior insulation and considerations for detailing this type of wall assembly
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Continuous Insulation, Part 1
A look at the 2021 IRC prescriptive path to continuous insulation and its benefits
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Insulating a Walkout Basement
Is it better to insulate the walls or the ceiling in a partially finished basement?
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How to Talk to Contractors About Exterior Insulation
Information and resources to share with general contractors to convey the value of "outsulation"
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Alternatives to Zip System Sheathing
The increased costs of OSB have led high performance–home builders to search for replacement products that integrate sheathing, insulation, and water and air control layers. Here are a few.
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The Impact of Wind Washing on Insulation R-Value
Defining airflow pathways is key to maintaining an insulation material's thermal resistance capacity
