Best R Value For The Deep South Attic

There are many ways to retrofit a home with fiberglass and.

Best r value for the deep south attic.

Where you live different climates require different insulation r values. Attic stairway insulator 25 x 54 x 11 r value of 14 5 fireproof attic stairs insulation cover. 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. Most homes are insulated in the attic and any floors located above unfinished basements or crawl spaces.

Basics of faced fiberglass insulation from r 13 to r 19. Higher r value numbers mean that the insulating material resists the cold or heat from the outside better. The r refers to absolute thermal resistance. Owens corning 541799 r 10 attic stairway insulator for openingsup to 24 5 by 54 price on amazon.

The r value indicates how well insulation resists heat transfer. You will need a higher r value of insulation if you live in the northeast than if you live in southern california. Attic door insulation stair cover for openings up to 25 by 54 inch. The most effective places to add insulation to older homes are exterior walls attics basements and crawl spaces.

Houses in a cold climate should have a minimum of r 49 in the attic which is equivalent to approximately 16 of fiberglass insulation.