Insulation Calculator
Batts or blown-in coverage for a target R-value and area.
Area
Materials
Coverage per bag/roll
R-13 batt
Roll covers ~40 ft²
R-30 batt
~28 ft² per batt pack
Blown-in R-30
~45 ft² per bag
Last updated:
Batts or blown-in coverage for a target R-value and area.
Last updated: