1. Competency: 206.00 Draw wall sections and details
Objective:
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