One deals with the insulation since cold air reaching the ceiling when the attic is poorly.
Water spots on attic insulation.
Commonly black discolorations on insulation material and wood can be difficult to distinguish from mold.
Water stains are an indication of water problem and hence the possibility.
Insulation in the attic is often the first victim when roof leaks occur or when plumbing pipes routed through the attic leak.
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.
Water is insulation s enemy.
Loss of insulating value.
It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow.
In order for water to get down into the main area of your home it had to travel through your attic insulation.
I noticed a wet spot where the ceiling meets one of the walls in my garage.
The insulation is wet to the touch near the spot and appears to be taking water in from up and behind where it s tucked in.
Attics can suffer two types of leaks.
Inadequate attic insulation.
Experts have told me there are usually two problems besides roof leaks that can cause these spots.
Box out light fixtures.
Similarly if the mold has matured and degenerated it is difficult to recognize since it rubs off the surface leaving only stained spots or patches.
Insulation is rated with an r value.
Improper ventilation and insulation of home attic space can produce high humidity levels and trap.
Condensation on your ceiling can cause water damage and promote the growth of mold or mildew.
This means there is likely water damage to any of the affected insul a tion.
The higher the r number the higher the insulating factor typically is so it s worth checking.
In order to prevent mold from growing and spreading it s important to remove any wet and water damaged insulation and discard of it.
The two most common types of insulation fiberglass batts and blown in cellulose loose fill are vulnerable to attic water damage in two specific ways.
Also we wonder if in a soaked area like this where fiberglass insulation is present because of the risk of hidden mold in the insulation see fiberglass insulation mold it may be worth checking the attic side of the ceiling drywall below the areas of most apparent worst leakage into that space looking for water stains there mold c.
When i went into the attic i noticed the wet spot under the insulation as shown in the images below.
