This type of insulation is ideal for attics with standard spaced beams and joists.
Standard attic insulation width.
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.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.
Striking a perfect balance between too little insulation and too much insulation will keep you and your family warm throughout the winter.
Insulation level are specified by r value.
If it s a standard fixture which typically has a cylindrical metal can projecting up into the attic do not allow any insulation to contact the fixture.
Measure the length and width of the area you need to insulate.
Basics of faced fiberglass insulation from r 13 to r 19 r value is a standard unit of measurement for determining among many things how effective your insulation will be.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Measure the area needing insulation.
Batten insulation is available to fit all three spacings but not all lumberyards stock all three sizes.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
The higher the r value the better the thermal performance of the insulation.
Standard joist spacing for the installation of attic flooring materials is 16 inches on center oc meaning the distance from the center of one joist to the center of the next joist is 16 inches.
Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
First be careful when insulating around recessed light fixtures.
Insulating attics is rather straightforward but keep in mind these two important factors.
Batten sizes the correct batten width should be inch wider than the width of the stud space.
