Attic Insulation R Value Seattle

The higher the r value the better the thermal performance of the insulation.

Attic insulation r value seattle.

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. Seattle crawl space and attic services. The power of cleanliness often neglected the attic and crawl spaces play a crucial role in maintaining a safe and energy efficient home. Seattle attic insulation r value may 25 2020 by zamira leave a comment attic insulation in seattle eastside how much insulation is enough insulation weatherization rebates in consulting services portland seattle home insulationsaver.

Where you live different climates require different insulation r values. The suggested r value for attic insulation is r38 or about 10 14 inches of insulation. You will need a higher r value of insulation if you live in the northeast than if you live in southern california. 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.

For homes in the seattle washington area we ve already established that the correct insulation r value climate zone is 4. R value measures how well certain building insulation materials can resist heat. Intermediate framing denotes standard framing 16 inches on center with headers insulated with a minimum of r 10 insulation. Your home s age if your home is more than 10 year old you likely need more insulation.

When determining how much insulation you need don t guesstimate calculate. The table below shows what levels of insulation are cost effective for different climates and. I the second r value applies when more than half the insulation is on the interior of the mass wall. The higher the r value the greater the insulating effectiveness.

K for single rafter or joist vaulted ceilings the insulation may be reduced to r 38. If you look at the chart above you can see that the attic should achieve an r value between r 38 and r 60 depending on the current insulation levels. We are the number one service provider for attic and crawl space cleaning insulation installation and removal and animal proofing in the seattle and surrounding areas. The higher the r value the greater the insulation performance.

R value is a measure of insulation s ability to resist heat traveling through it. The easiest way to determine if you need more insulation in your attic is to poke your. There are many ways to retrofit a home with fiberglass and. Recommended home insulation r values.

Insulation levels are measured by r value which indicates the resistance to heat flow of the insulation. Insulation level are specified by r value.