Attic Best R Value For The Deep South

U factor is a measure of a component assembly in its conductive and radiate capacities.

Attic best r value for the deep south.

And once you fill it with insulation aka a sponge you get mold rot and health issues. R value is a measure of insulation s ability to resist heat traveling through it. There are many ways to retrofit a home with fiberglass and. The brutal sun in the southern states will cook your attic and turn it into an oven literally.

Let me explain when the general public hears an r 13 wall insulation they believe that in fact they have an r 13 insulation value in their exterior walls. The higher the r value the better the thermal performance of the insulation. R value actually stands for resistive value. Your home s age if your home is more than 10 year old you likely need more insulation.

The r refers to absolute thermal resistance. R value is a standard unit of measurement for determining among many things how effective your insulation will be. Where you live different climates require different insulation r values. You will need a higher r value of insulation if you live in the northeast than if you live in southern california.

If you insulate your attic to an r 30 but do not insulate anywhere else you will have wasted 2 3 of the insulation. Best insulation r value per dollar. A deep energy retrofit is a possibility but. To insulate to r value 50 with an r value of 3 5 per inch you will need 50 divided by 3 5 or about 14 inches.

The best advice for a home in boston can be disastrous for home in phoenix and vice versa. It would be like insulating the attic to r 30 and then removing a couple of windows and leaving a couple of big holes in the walls. The truth is this studs have an r value of 3 5. Basics of faced fiberglass insulation from r 13 to r 19.

Recommended home insulation r values. In the deep south it is usually more beneficial not.