This Old House Mold In Attic

3 fog the attic with a mildicide.

This old house mold in attic.

The most common cause of attic mold by far is blocked or insufficient ventilation. Set up a negative air machine to filter the air while cleaning the moldy surfaces. If the mold growth in the attic is pronounced you may see it presenting atop attic insulation. This is typically done with an ulv fogger and sprayed throughout the attic area.

Use dry ice pellet gun to blast the mold from the rafters and underside of the plywood roof sheathing. 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 in attic is fairly common because attics are often damp. Improper exhausting of bathroom fans or dryer vents.

Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green. Even if your roof and windows don t leak though humidity in the attic can lead to the growth of mold. 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.

Ask this old house general contractor tom silva shares some diy smarts tips for insulating an attic. Blocked or insufficient ventilation. How to clean up attic mold. What causes attic mold.

Vacuum the mold dust from the polyethylene. 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 old house general contractor tom silva shows a professional approach to eliminating dangerous fungus outbreaks in the home. The mold itself may have a cottony texture but can also be velvety leathery or.

Dryer exhaust vents kitchen exhaust fans and bathroom exhaust fans. How to maximize the impact of insulation. Cover attic floor with sheets of polyethylene. If you re layering insulation atop other insulation don t use the kind that has kraft face finish i e paper or foil backing.