Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces.
R value roof michigan.
Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials.
R value of various materials.
Resistance to the movement in temperature through walls ceilings and floors in your home or commercial building.
The minimum wall r value shall be r 13 in all zones.
R 408 31065 equivalent u factors.
Know exactly how much you need with our project calculators.
Recommended home insulation r values.
R value measures how well certain building insulation materials can resist heat.
The higher the r value the greater the insulation performance.
Insulation r value requirements for michigan what is r value.
To learn more about r value see roof online s r value page.
The following table provides typical r values and rsi for various materials these r values were taken from manufacturer technical data sheets and are the reported r values per inch of actual products.
For a very good introductory overview article on r value see r values over at the website of.
For new residential construction projects compliance with the muec can be demonstrated by any of the following.
Insulation level are specified by r value.
The minimum ceiling insulation r values shall be r 24 in zones 5 to 7.
State only mi michigan ashrae 90 1 2007 5 r 20 6 r 20 7 r 20 state only mn minnesota minnesota commercial state building code 6 r 30.
New wall or walls separating a sunroom from conditioned space shall meet the building thermal envelope requirements.
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.
R value is a measure of insulation s ability to resist heat traveling through it.
You should of course see the manufacturer provided technical data sheet for the r value of specific products.
R value state local al alabama 2015 alabama commercial energy code 2 r 25 3 r 25 state.
See the department of energy s doe ranges for recommended levels of insulation below.
Minimum r value non residential above roof deck 19727 57th avenue east puyallup wa 98387 web.
When determining how much insulation you need don t guesstimate calculate.
Complying with the revisions to the michigan uniform energy code muec is easier than you may think.
