If you leave the insulation in the attic floor after insulating the roofline the attic will be cooler in winter than if you remove the insulation.
How to remove sprayed in insulation from attic.
Common reasons for replacing insulation are mold issues wildlife damage and the decision to finish an attic space.
Most homeowners have never seen what their attic looks like let alone have they spent any significant amount of time in their dark cramped attic above the ceiling.
But a common reason to put spray foam on the roofline is to avoid having to air seal the attic floor.
The thought of performing attic insulation removal or attic cleaning in your own attic can be daunting.
That makes the surface of the spray foam colder and most likely even below the dew point.
The attic is now much warmer than outdoors in winter but significantly cooler than the living space if you leave the old insulation in the attic floor.
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.
Thus the air in the attic is connected with the air in the house.
The first step in loose fill attic insulation removal is determining what type of insulation you ll be working with.
On a side note.
Why would you would want to clean your attic and remove old cellulose insulation.
Why remove blown in insulation.
Cellulose insulation is sprayed with flame retardant such as boric acid or amonium nitrate to prevent burning and prevent bugs from nesting in the insulation.
You ve noticed that your insulation isn t doing its job anymore and realize it s time for a change.
Over the years your attic becomes dirty and dusty from air flowing in from the outside.
Placement errors during installation attics are the main spots in a home that are filled with unusual shapes gaps and spaces where air bubbles have the potential to form when you spray foam insulation.
Whether you are removing loose fill attic insulation for replacement with new insulation changing insulation types or are removing insulation because of water or wildlife damage doing it safely is the first step.