You ve noticed that your insulation isn t doing its job anymore and realize it s time for a change.
Replacing blown in insulation in attic.
If your attic has old or dirty insulation it may be time to get it looked at and replaced.
Why can t you add to the insulation that s already there.
Plus any work in attic would stir it and some will end up in rooms.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.
So should i just remove it and replace with new insulation that comes in rolls.
Mold can grow from the warm humid atmosphere in an attic causing hazardous air quality for your home.
I suspect that it causes a lot of dust in a house.
You should also replace insulation if your roof has had a leak or you suspect water has gotten into the insulation.
Blown in insulation is satisfactory for many unfinished attics as long as it doesn t get wet or compressed.
How to replace the blown attic insulation with closed cell foam.
Why remove blown in insulation.
For diy attic insulation you ve got two choices.
Both can be added to uninsulated attics or layered over existing material.
Common reasons for replacing insulation are mold issues wildlife damage and the decision to finish an attic space.
Batt insulation is available at home centers and lumberyards.
Will usually cost about 1 600 2 700.
A typical insulation project can range from 1 500 to 5 000 depending on the size of the project.
I think it would insulate better too.
Any moldy insulation should be replaced immediately.
To install attic insulation and material cost for cellulose fiberglass with a r value of.
Loose fill or batt the common term for blanket insulation.
0but olson says in many cases the old insulation does not need to be removed which keeps costs down.
Old attic insulation is often inefficient and could lead to unnecessarily high energy bills.
Blown in insulation requires a professional.
Batt insulation take time to read this column.
I have attic filled with old grey blow in insulation.
An average size attic of 1 200 square ft.
R 30 to r 60 insulation will cost between 0 15 to 0 65 cents per square foot.
I estimate it to be 20 30 years old.
We typically work through and seal the attic bypasses with the existing insulation in place olson says.
On average you can expect to pay between 1 25 to 2 00 per square ft.