R Value Roof Michigan

You should of course see the manufacturer provided technical data sheet for the r value of specific products.

R value roof michigan.

For a very good introductory overview article on r value see r values over at the website of. R value of various materials. Insulation r value requirements for michigan what is r value. 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 measures how well certain building insulation materials can resist heat. The minimum wall r value shall be r 13 in all zones. To learn more about r value see roof online s r value page. R 408 31065 equivalent u factors.

See the department of energy s doe ranges for recommended levels of insulation below. Recommended home insulation r values. New wall or walls separating a sunroom from conditioned space shall meet the building thermal envelope requirements. The minimum ceiling insulation r values shall be r 24 in zones 5 to 7.

For new residential construction projects compliance with the muec can be demonstrated by any of the following. Minimum r value non residential above roof deck 19727 57th avenue east puyallup wa 98387 web. 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. 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.

Know exactly how much you need with our project calculators. R value is a measure of insulation s ability to resist heat traveling through it. The r in r value stands for resistance. R value state local al alabama 2015 alabama commercial energy code 2 r 25 3 r 25 state.

When determining how much insulation you need don t guesstimate calculate. Here s a handy r value table that covers most types of roof coverings building insulation and a few other materials. Complying with the revisions to the michigan uniform energy code muec is easier than you may think. Insulation level are specified by r value.

Meeting the minimum required thermal performance criteria for both u factor and r value. The higher the r value the greater the insulation performance.