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1304 Thermal Conductivity - Insulation Energy Efficiency - The Basics
 
1304 Thermal Conductivity - Insulation Energy Efficiency - The Basics -

Image Text: The thermal conductivity (k) of a HOMOGENEOUS material is equal to the number of BTUs that will pass through one square foot of the material (that is 1 inch thick) over the course of 1 hour (with a 1 degree Fahrenheit temperature difference across the material) > in this case, the thermal conductivity (k) of the concrete slab is 12 > concrete slab > T degrees Fahrenheit > 1 inch thick > T + 1 degree Fahrenheit > 1 square foot > 12 BTUs

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INSULATION

The Basics, Air/Vapor Barriers (Vapor Retarders), Venting Roofs, Venting Living Spaces, Attics, Flat and Cathedral Roofs, Walls Above Grade, Basements and Crawlspaces, Floors over Unheated Areas, Ventilation Systems

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