Once dry return the insulation to the wall or floor cavity where it came from.
Wet insulation in attic.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Loose fill or batt the common term for blanket insulation.
If possible remove the affected batts and transfer them to a warm place to dry.
When a leak allows water to seep in through.
Wet insulation is inefficient but more immediately it can be a hidden risk.
If you choose to install cellulose yourself you can buy the insulation in bags from your local home improvement store.
What to do with wet cellulose insulation.
If you discover wet cellulose insulation in your attic walls or crawlspace you have a few options for dealing with the problem.
When a roof leak leads to saturated insulation that insulation almost always needs to be replaced.
You can also identify moisture problems in the attic by the formation of condensation on windows and glass surfaces.
Wet insulation is bad for your roof your building and its occupants.
Wet insulation no longer performs its primary function of inhibiting heat transfer.
If the fiberglass within your wall cavity or in your attic becomes wet from a leaky roof or burst pipe it will lose insulating effectiveness until the material dries.
For many homeowners replacing attic insulation is a great opportunity to improve the energy efficiency of your home.
Pros and cons of cellulose attic insulation.
Both can be added to uninsulated attics or layered over existing material.
Coping with wet insulation.
After all water is a conductor so wet fiberglass insulation is about as effective as no insulation at all.
Disposal fees all dumpster rental and disposal fees should be included in your contractor s itemized quote.
Cellulose recycled ground up paper with boric acid added for insect control and fire resistance offers a better attic insulation option than batts.
Prolonged wetness will rot out the roof sheathing.
If you can ensure good air sealing and insulation the attic will remain cool and dry as if it were outside.
Keep in mind that these dump fees may be more expensive when removing hazardous or asbestos containing materials.
Insulation sits just below the roof s membrane.
Saturated insulation typically loses at least 40 of its insulating r value.
What to do about a wet attic.
Loss of insulating value.
Drying out a wet attic.
If only a small area has gotten wet it may be easy to remove the damp fibers and let them dry for several days before reinstalling them.
To help fiberglass insulation dry out place a dehumidifier or fan in the area.
For diy attic insulation you ve got two choices.
There are many signs that an attic is wet.
Let the insulation dry out.