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Competency: 206.00 Draw wall sections and details

This competency focuses on the analysis of insulation and vapor barrier materials and construction. Learn about the different types of insulation and how they slow heat transfer. Understand R-values and their importance in resistance to heat flow. Explore vapor barrier options and placement techniques.

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Competency: 206.00 Draw wall sections and details

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  1. Competency: 206.00Draw wall sections and details Objective: 206.04 Analyze insulation and vapor barrier materials and construction.

  2. Insulation • Slows the transfer of heat • Placed in walls, floors, and ceilings that face unheated areas

  3. Insulation • Types • Flexible batt and blanket • Loose-fill • Rigid board • Spray-on • Reflective foils

  4. R-values • The higher the R number the greater the resistance to heat flow • All materials have an R-value • Requirements vary with geographic location

  5. Vapor Barriers • Placed on the heated side of insulation • Types • Papers attached to flexible Batt and blanket insulation • 6mil polyethylene sheet • Foil-backed gypsum board • Rubberized asphalt membrane

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