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Styrofoam

• Slows down the transfer of thermal energy
• Keeps heat in
• Keeps heat out

Felt

• Slows down transfer of thermal energy
• Gives house even feel
• Helps home blend in with nature

Polyfill

• Slows the transfer of thermal energy
• Fills in gaps Styrofoam couldn't get to

Real World Situations

Fiberglass

• Commonly used in attics
• Can be made of recycled materials
• R-Value: 2.2 -3.8 depending on the location

Mineral Wool

• Made of molten glass, stone and slag (industrial waste)
• Not fire resistant
• Sound absorber
• R-Value: 3.1 - 4 depending on location

Cellulose

• 75 - 80% recycled newspaper
• Can be used with fiberglass
• R-Value 3.2 - 3.9

Credits

Blueprints: http://www.alphagraphics.com/centers/mason-ohio-us123/blueprints_and_scanning/

Styrofoam: https://stluciatimes.com/2017/02/17/bay-gardens-resorts-discontinues-use-expanded-polystyrene-eps-styrofoam-products

Felt: http://www.amicaaccessories.com/grass-green-felt-sheet-2270-p.asp

Solar panel: http://www.ucsusa.org/clean-energy/renewable-energy/how-solar-energy-works

Fiberglass: http://www.doityourself.com/stry/atticinsulationprep