Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.
Installing attic insulation over existing insulation.
Put on goggles and gloves to protect yourself while handling.
See below for a shopping list and tools subscribe to this old house.
Check pipes and vents.
Before installing determine the insulation material best suited for your home.
Install fiberglass batts over existing batt insulation.
Calculate how much you need.
To install blown in insulation in existing walls holes are drilled at the top of each stud space usually on the exterior and material is blown in via a long flexible hose.
Cost effective way to save energy with this old house general contractor tom silva.
The hole is then.
Choose your insulation type.
How do i add insulation to existing attic insulation.
Measure how much insulation you already have.
To install fiberglass batts over existing insulation lay the batts perpendicular to the joists so they do not compress the insulation below.
The vapor retarder on top of or between layers of insulation can trap moisture.
Whether you live in a warm weather state as i do or in a cooler northern climate it s hard to stay comfortable and keep your energy bills in check if you don t have adequate insulation in the attic.
This method can be used in any climate though it historically has been most popular in colder climates.
To view the next video in this series click here.
Check the depth using a tape measure.