The standard width for joists is 24 inches.
Roof ceiling insulation.
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.
R 38 is the industry standard and the minimum thickness for r 38 is 12 inches.
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.
Measure the area needing insulation.
Set up a stepladder tall enough to work comfortably from.
Ceilings interior wood framed ceiling insulation rockwool stone wool insulation is an ideal material to be used in interior ceiling floor partitions where sound absorbency and fire resistance is required.
Typical ceiling insulation involves spreading either loose fill or batt the term commonly used for.
Purchase rolls or packages of insulation that will fit in the spaces between the ceiling joists.
If your current insulation is only five inches deep you will need to add seven inches of insulation to achieve the 12 inch r 38 rating.
Advantages of insulating the.
Insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck.