Mold In Attic Insulation

Mold in attic is fairly common because attics are often damp.

Mold in attic insulation.

Box out light fixtures. This is typically done with an ulv fogger and sprayed throughout the attic area. The most common cause of attic mold by far is blocked or insufficient ventilation of the attic space. This area is less conducive to mold growth because the insulation is relatively warm compared to the roof sheathing.

Attics usually have a passive ventilation system in which outside air comes in through the soffit eave vents at the bottom warms up in the attic and escapes through the can or ridge vents at the top because hot air rises. Even if your roof and windows don t leak though humidity in the attic can lead to the growth of mold. Mold growth on the insulation in an attic is much less common than growth on the sheathing or framing. Water is insulation s enemy.

If you re layering insulation atop other insulation don t use the kind that has kraft face finish i e paper or foil backing. Mold growth in an attic comes as a consequence of excess moisture. Dirt and mold can adhere to the fiberglass sheets. Dirt that can attach to your insulation includes dust dirt from outside air that does.

Mold on attic insulation how to deal with it. Unfortunately improper installation or choosing the wrong kind of insulation causes moisture from the lower levels of the home to rise and get trapped in the attic. Mold is a serious problem that can lead to respiratory issues and other illnesses so moldy insulation should be removed immediately. High humidity in a space like an attic can lead to mold and a spill in a carpeted area of your home that isn t quickly taken care of can also lead to mold under the carpet.

This moisture feeds mold growth. If your roof leaks or any attic windows leak you ve got moisture in your attic and probably need to consider attic mold removal. While damp and warm climates are a prime breeding ground for our fuzzy friend other conditions that bring mold include lack of ventilation and proper sheathing. Replacement of insulation may be necessary if this is the case.

3 fog the attic with a mildicide. It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow. Faulty roof insulation or construction can lead to leaks and a lack of proper ventilation can cause humidity to accumulate. Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be.