Insulation Considerations
Thermal Characteristics – “K” Factor
Mechanical Properties
Chemical Compatibility
Moisture Resistance
Personnel Safety
Fire Resistance
Smoke and Toxicity
Maintainability
Cost
Summary Chart of Insulation Types
K-Factor expressed in BTU/hr-°F-ft²/in
Low K-Factor = Good Insulator
High K-Factor = Bad Insulator
Type
Cal Sil
Exp Perlite
Foamglas
Fiberglass
Mineral Wool
Urethane
Composites
K-Factor
.375
.43
.29
.25
.25
.19
TBD
Izoflex Insulation
Expanded Perlite
Corrugated