Adding Attic Insulation To Existing

Measure how much insulation you already have.

Adding attic insulation to existing.

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Blow in insulation until the hopper is empty. Adding insulation to an existing home inspecting and evaluating your insulation. So this thickness does not stop or prevent your home from heat loss.

Check the attic walls and floors adjacent to an unheated space like a. Then pivot in place and do the same thing to the other side. Make sure you use an unfaced batt one without a paper or foil layer so the insulation does not trap moisture in the ceiling. Loose fill or batt the common term for blanket insulation.

Lay the batts perpendicular to the joists so. Put on goggles and gloves to protect yourself while handling. Believe it or not there are situations in a home when you should remove the old attic insulation before adding more over the existing and in this short video. In case you have had your attic insulation installed more than 15 to 20 years ago it is advisable to get it replaced.

Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. This effect is most important if the new insulation is more dense than the old insulation. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Estimating costs and.

This is because your original insulation r value most likely has dropped from recommended 60 to 20 30. Add the right kind of insulation when adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Adding insulation to the attic with existing insulation pros and cons. For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.

When you find out the r values of your insulation either from an energy assessment. Install fiberglass batts over existing batt insulation. How do i add insulation to existing attic insulation. When you stack new insulation on top of existing attic insulation the existing insulation is compressed a small amount.

How to install attic insulation over existing insulation wear a long sleeve shirt gloves eye protection and a dust mask. Move across the attic until you ve hit your desired height at every point. Both can be added to uninsulated attics or layered over existing material. For diy attic insulation you ve got two choices.

Check the depth using a tape measure.