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.
This old house mold in attic.
Ask this old house general contractor tom silva shares some diy smarts tips for insulating an attic.
Use dry ice pellet gun to blast the mold from the rafters and underside of the plywood roof sheathing.
Mold in attic is fairly common because attics are often damp.
How to clean up attic mold.
Cover attic floor with sheets of polyethylene.
Even if your roof and windows don t leak though humidity in the attic can lead to the growth of mold.
If you re layering insulation atop other insulation don t use the kind that has kraft face finish i e paper or foil backing.
What causes attic mold.
Blocked or insufficient ventilation.
This can be done with heaters fans dehumidifiers etc.
If your roof leaks or any attic windows leak you ve got moisture in your attic and probably need to consider attic mold removal.
This old house general contractor tom silva shows a professional approach to eliminating dangerous fungus outbreaks in the home.
This is typically done with an ulv fogger and sprayed throughout the attic area.
Dryer exhaust vents kitchen exhaust fans and bathroom exhaust fans.
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.
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.
Improper exhausting of bathroom fans or dryer vents.
How to maximize the impact of insulation.
Vacuum the mold dust from the polyethylene.
Mold usually causes a musty odor and may cause staining that may be black brown gray white yellow or green.
If the mold growth in the attic is pronounced you may see it presenting atop attic insulation.
Replacement of insulation may be necessary if this is the case.
The mold itself may have a cottony texture but can also be velvety leathery or.