Non residential above roof deck this matrix provides the minimum insulation r values required by local and state municipalities.
Minimum roof insulation r value.
Insulation level are specified by r value.
Recommended home insulation r values.
The document was updated in 2020 and is available on the carlisle syntec website.
Minimum insulation r value requirements non residential above roof deck is an extremely handy table for state and local jurisdictions in the united states.
Specific insulation requirements of section c402 2 thermal requirements of either.
Depending on where you live and the part of your home you re insulating walls crawlspace attic etc you ll need a different r value.
The higher the r value the better the thermal performance of the insulation.
R value is a measure of insulation s ability to resist heat traveling through it.
Minimum insulation r value requirements non residential above roof deck.
State applicable energy ashrae zone minimum r value state local ms mississippi ashrae 90 1 2010 2 r 20 3 r 20 state local mo missouri 2012 iecc 4 r 25 5 r 25 state only mt montana 2012 iecc 6 r 30.
Minimum insulation r value requirements by state.