Attic Best R Value For The Deep South

Higher r value numbers mean that the insulating material resists the cold or heat from the outside better.

Attic best r value for the deep south.

Where you live different climates require different insulation r values. 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. Basics of faced fiberglass insulation from r 13 to r 19. The r refers to absolute thermal resistance.

U factor is a measure of a component assembly in its conductive and radiate capacities. R value actually stands for resistive value. There are many ways to retrofit a home with fiberglass and. Best insulation r value per dollar.

The truth is this studs have an r value of 3 5. R value is a standard unit of measurement for determining among many things how effective your insulation will be. And once you fill it with insulation aka a sponge you get mold rot and health issues. The best advice for a home in boston can be disastrous for home in phoenix and vice versa.

The higher the r value the better the thermal performance of the insulation. Your home s age if your home is more than 10 year old you likely need more insulation. Recommended home insulation r values. If you insulate your attic to an r 30 but do not insulate anywhere else you will have wasted 2 3 of the insulation.

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 brutal sun in the southern states will cook your attic and turn it into an oven literally. In the deep south it is usually more beneficial not. 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.

R value is a measure of insulation s ability to resist heat traveling through it. A deep energy retrofit is a possibility but.