Transcription of Insulation Fact Sheet
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Insulation Fact Sheet
DOE/CE-0180 2008 Department of Energy Assistant Secretary Energy Efficiency and Renewable Energy Contents: Introduction Page 2 Why Insulate Your House? How Insulation Works Which Kind of Insulation is Best? Page 3 What Is an R-Value? Reading the Label Insulation Product Types Insulating a New House Page 8 Where and How Much? Air Sealing Moisture Control and Ventilation Installation Issues o Precautions o Attics o Walls Design Options o Crawlspaces and Slabs o Advanced Wall Framing o Metal Framing o Insulating Concrete Forms o Massive Walls o Structural Insulated Panels o External Insulation Finish System o Attic Ventilation or a Cathedralized Attic Adding Insulation to an Existing House Page 20 Where and How Much How Much Insulation Do I Already Have? Air Sealing Moisture Control and Ventilation Insulation Installation, the Retrofit Challenge o Precautions o Attics o Walls o Basement Walls o Floors and Crawlspaces Resources and Links Page 30 About This Fact Sheet Page 34 Insulation Fact Sheet PDF version 2008 1 Introduction Why Insulate Your House?
What Is an R-Value? Insulation is rated in terms of thermal resistance, called R-value, which indicates the resistance to heat flow. The higher the R-value, the greater the insulating effectiveness. The R-value of thermal insulation depends on the type of material, its thickness, and its density. In calculating the R-value of a
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