Higher numbers indicate insulation that is more effective.
R13 attic 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.
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.
Insulation level are specified by r value.
Most manufacturers produce an r 13 batt that fits into a 2 by 4.
However the r value of insulation also depends on proper installation to avoid compressing it.
The r value of insulation indicates its thermal resistance to the flow of heat.
The higher the r value the better the thermal performance of the insulation.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Owens corning ecotouch r 15 30 sq ft single faced fiberglass roll insulation 15 in w x 24 ft l item 821444.
The label on insulation gives its r value.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
10 bags model c86 view the owens corning 2x4 wall floor insulation.
Owens corning r 13 ecotouch pink kraft faced insulation fiberglass insulation batt 16 in.