Project Guide

How to Remove Mildew

1
WASH OUT MILDEW STAINS
Wash sand out mildew stains - How Remove Mildew

Test the stains by washing with warm water and mild detergent.

2
SAND OUT MILDEW STAINS
Wash sand out mildew stains - How Remove Mildew

Most stains will wash out, but mildew stains will not. Gently sand out mildew stains with 150-grit sandpaper.

3
USE MOLD AND MILDEW REMOVER
Use mold and mildew remover - How Remove Mildew

Safety: If you use bleach or any other chemical cleaner, make sure the room is well-ventilated, and wear hand and eye protection and a respirator.


  • Use a mold and mildew removal solution to eliminate the remaining discoloration. 
  • Most cleaners take about 2 hours to dry fully and will eliminate the mildew stain entirely.