The Most Common causes of mold growing On walls are High Humidity, Condensation And Water Leaks (which Are Often Hidden Inside The wall). Condensation Forms When Water Vapor In The Air Meets Cold Surfaces And Cools To Become Liquid. Condensation Is Especially Common On walls which Form The Perimeter Of A House.

To kill Mold: Use White Distilled vinegar and Pour It Into A Spray Bottle Without Watering It Down. Spray The vinegar onto The moldy surface And Leave It To Sit For An Hour. Finally, Wipe The Area clean with Water And Allow The Surface To Dry.

Scrub the surface mold stains from walls and wood trim with a mixture of 1 qt. Water and 1/2 cup bleach to kill the mold. Use a soft brush and work until signs of the mold disappear.