Roof Ceiling Insulation

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.

Roof ceiling insulation.

Advantages of insulating the. 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. Measure the area needing insulation. Insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck.

Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house. Set up a stepladder tall enough to work comfortably from. Purchase rolls or packages of insulation that will fit in the spaces between the ceiling joists. The standard width for joists is 24 inches.

Typical ceiling insulation involves spreading either loose fill or batt the term commonly used for. R 38 is the industry standard and the minimum thickness for r 38 is 12 inches. 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.