What causes mold in walls
- Plumbing leaks inside the wall.
- Window and exterior leaks.
- Roof leaks running down wall cavities.
- Condensation on exterior walls cooled by air conditioning, especially behind furniture or vinyl wallpaper.
- Old water damage that was never dried.
Steps
- Find the moisture source with meters and thermal imaging.
- Contain the area.
- Cut out contaminated drywall and insulation.
- HEPA vacuum and clean studs.
- Dry cavities.
- Repair after verification.
When you can clean it yourself
A small surface patch on painted drywall in a dry wall can be cleaned with protection, then watched. If the wall is soft, stained from inside or smells musty, open it.
Look at the whole picture: if a leak caused this, see wall water damage repair and water damage restoration in Garland, TX. Larger work falls under mold remediation. For bathroom walls, see bathroom mold removal.
Ready to talk to someone?
Describe what happened and your ZIP code. You will be connected with an independent provider.
Frequently asked questions
Why is there mold on my wall?
Moisture from a leak, condensation or humidity. Find the source before cleaning.
Is wall mold behind wallpaper common in Texas?
Yes, vinyl wallpaper on exterior walls can trap moisture in humid weather and AC.
Can I paint over mold on a wall?
No. Painting hides growth but does not remove it or stop moisture.
How much drywall is cut out for mold?
As much as is contaminated, guided by moisture readings and inspection.