Mold growth normally appears in areas with excess moisture such as bathrooms kitchens.
Water damage in walls mold.
That does not mean that you have to rip down the entire wall.
Leave it out until you have finished cleaning inside.
For instance put down tile or linoleum flooring instead of carpet in rooms with high humidity or where spills are common like kitchens bathrooms and laundry rooms.
Pull up the carpet and take it outside in the sun.
Drywall forms an excellent media for mold growth because it absorbs moisture that activates mold spores and the paper backing of drywall provides cellulose a food that nourishes.
Wipe down the walls with a rag and let them dry.
Mild exterior mold can be killed with bleach and water but the best course of action is to remove the affected piece of drywall completely.
Wall cavities affected by water damage are vulnerable to mold growth which also has a pungent musty odor.
If there is a strong musty smell near a certain area of your wall there could be a water leak or mold growth behind it.
In addition to the damage that water causes it can encourage the growth of mold on walls and floors where it s visible and in ductwork attics and crawlspaces where you might not notice it.
If you don t see signs of mold but you can smell it it may be hidden in your walls.
Control indoor moisture to prevent mold.
Here are a few of the less obvious drywall water damage issues.
The sun kills mold.
The key to stopping mold and mildew is controlling dampness.
In a case where mold results directly from a covered loss or water damage that was covered by the insurance then you may have coverage for the mold remediation when you have comprehensive insurance.
Mold growth begins inside wall cavities behind drywall within 24 to 48 hours after water intrusion.
Locate the area that has water damage and draw a square around it extending it by several inches.
For long term issues like mold caused by attic condensation the mold may have started growing a long time ago.
Put on your ventilator mask and rubber gloves.
Next mix 1 cup of chlorine bleach with a bucket of warm water.
Mold on walls and baseboards.
A musty smell is a good indicator that mold is growing in your home.
The smell of mold feels earthy like rotting leaves or decaying wood in a dense damp forest.
Mold can cause damage and lead to health problems so deal with it quickly.
The walls and floors will need to be cleaned first.
The worst infestations usually occur in damp crawlspaces in attics and walls where water has leaked in from the outside and in basements with poor foundation drainage.
If the water damage inside the walls persists mold will show signs on the surface.
When repairing water damaged rooms consider making improvements to help prevent or at least minimize future damage and mold growth.