Best R Value For The Deep South Attic

Warmer climates only require an r 38 or higher or about 12 or more.

Best r value for the deep south attic. There are many ways to retrofit a home with fiberglass and. Houses in a cold climate should have a minimum of r 49 in the attic which is equivalent to approximately 16 of fiberglass insulation. The r value indicates how well insulation resists heat transfer. Attic stairway insulator 25 x 54 x 11 r value of 14 5 fireproof attic stairs insulation cover.

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. Higher r value numbers mean that the insulating material resists the cold or heat from the outside better. Your home s age if your home is more than 10 year old you likely need more insulation.

Owens corning 541799 r 10 attic stairway insulator for openingsup to 24 5 by 54 price on amazon. But newer homes in central and southern arizona are insulated to ratings of r 30 to r 38 while newer homes in northern arizona generally have attic insulation at r 60 because of colder winters. Attic door insulation stair cover for openings up to 25 by 54 inch. You will need a higher r value of insulation if you live in the northeast than if you live in southern california.

Most homes are insulated in the attic and any floors located above unfinished basements or crawl spaces.