This Old House Mold In Attic

Set up a negative air machine to filter the air while cleaning the moldy surfaces.

This old house mold in attic.

Mold in attic is fairly common because attics are often damp. How to clean up attic mold. Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green. 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.

If you re layering insulation atop other insulation don t use the kind that has kraft face finish i e paper or foil backing. The most common cause of attic mold by far is blocked or insufficient ventilation. Even if your roof and windows don t leak though humidity in the attic can lead to the growth of mold. Improper exhausting of bathroom fans or dryer vents.

If your roof leaks or any attic windows leak you ve got moisture in your attic and probably need to consider attic mold removal. If the mold growth in the attic is pronounced you may see it presenting atop attic insulation. This moisture feeds mold growth. Ask this old house general contractor tom silva shares some diy smarts tips for insulating an attic.

This old house general contractor tom silva shows a professional approach to eliminating dangerous fungus outbreaks in the home. Cover attic floor with sheets of polyethylene. Replacement of insulation may be necessary if this is the case. 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 can be done with heaters fans dehumidifiers etc. Blocked or insufficient ventilation. Dryer exhaust vents kitchen exhaust fans and bathroom exhaust fans. Use dry ice pellet gun to blast the mold from the rafters and underside of the plywood roof sheathing.

How to maximize the impact of insulation. What causes attic mold. The mold itself may have a cottony texture but can also be velvety leathery or. 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.