Transcription of Insulation Fact Sheet
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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?
Rigid insulation is made from fibrous materials or plastic foams and is produced in board-like forms and molded pipe coverings. These provide full coverage with few heat loss paths and are often able to provide a greater R-value where space is limited. Such boards may be faced with a reflective foil that reduces heat flow when next to an air space.
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