Insulation level are specified by r value.
R13 attic insulation.
Owens corning ecotouch r 15 30 sq ft single faced fiberglass roll insulation 15 in w x 24 ft l item 821444.
Owens corning r 13 ecotouch pink kraft faced insulation fiberglass insulation batt 16 in.
10 bags model c86 view the owens corning 2x4 wall floor insulation.
Johns manville r 13 40 sq ft single faced fiberglass roll insulation with sound barrier 15 in w x 32 ft l item 31116.
Standard fiberglass insulation batts or blankets provide an r value of 2 2 to 3 8 per inch of thickness.
Thermal values range from a low of r 4 to a high of r 45.
The higher the r value the better the thermal performance of the insulation.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
For pricing and availability.
The label on insulation gives its r value.
However the r value of insulation also depends on proper installation to avoid compressing it.
Higher numbers indicate insulation that is more effective.
Most manufacturers produce an r 13 batt that fits into a 2 by 4.
R value is a measure of insulation s ability to resist heat traveling through it.