Any moldy insulation should be replaced immediately.
Replace blown attic insulation.
Common reasons for replacing insulation are mold issues wildlife damage and the decision to finish an attic space.
Mold can grow from the warm humid atmosphere in an attic causing hazardous air quality for your home.
Attic spaces have low hanging ceilings and flooring that s not the sturdiest.
A typical insulation project can range from 1 500 to 5 000 depending on the size of the project.
Attempting to inspect or replace the insulation yourself can cause injury.
Because blown insulation comes out as chunks of cellulose or fiberglass it does a better job of filling every crevice of the attic.
0but olson says in many cases the old insulation does not need to be removed which keeps costs down.
Because it requires professional installation closed cell foam insulation is pricey but it offers r 6 thermal value for every inch of thickness.
Whereas blown in insulation works by filling the.
With a more complete layer of insulation throughout your attic you ll experience lower energy costs and more effective heating cooling compared to simple batts installations.
Old attic insulation is often inefficient and could lead to unnecessarily high energy bills.
Animals such as mice raccoons squirrels opossums and more can invade your attic and tear up your insulation.
When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect.
You d need a thickness of.
You should also replace insulation if your roof has had a leak or you suspect water has gotten into the insulation.
Nothing wrong with the old insulation unless it s been disturbed and compressed.
Or you could blow in more insulation but then you ll find out what dust is really like.
We typically work through and seal the attic bypasses with the existing insulation in place olson says.
Removing attic insulation is the first step in our integrated attic cleaning solution.
Don t do this job yourself.
Just add non faced batt insulation on top of the existing.