Remove Mold Behind Walls


Remove mold behind walls step by step. Mold loves moist environments. If your home is invaded by the unpleasant mold, do not worry anymore. In this article below we have the solution to your mold problem.

What is Mold?

Mold is a type of fungus that can grow indoors and often is spotted on the walls, leaking ceiling, wet basement, windows, showers, bathroom and floor, and its color is often dark green or black with a very unpleasant distinctive odor and often smell like damp.

Mold is very harmful to health if inhaled by humans and by our pets. It is recommended to check that our homes are free of black mold or any other type of mold. Don’t forget this advice, it is known that black mold is one of the most toxic molds that can be found in our homes and it’s a serious health problem that we must root out of our homes.

What Are The Symptoms Of Black Mold Exposure

Whether or not, all human beings are allergic to molds and also most of our pets. But the most vulnerable people are those with respiratory problems such as asthma and also those people with a weakened immune system. Below we will show some of the symptoms

  • Anxiety
  • Mental impairment
  • Breathing problems
  • Nose stuffiness
  • Itchy skin or skin rash
  • Immune system problems
  • Red eyes
  • Allergic reactions
  • Asthma attacks
  • Reproductive system issue

Personal Protective Equipment for Mold Removal (PPE)

  • Step one, you must protect your eyes wearing safety goggles
  • Protect your skin, you can protect your skin wearing a Tyvek chemical suit
  • Wear rubber gloves, make sure you choose the right size gloves for your hands to avoid mold spores to get inside the gloves onto your hands
  • You must wear a high filtration face musk
  • Cover your shoes with plastic bags, or you can wear a pair of plastic disposable shoe covers
  • It’s better if you wear old shoes and old clothes you can throw away after the cleanup work

Keep this advice in mind

  • Every time you leave the work area, do not forget to take off your gloves to prevent the spread of mold spores to other areas in your home
  • Wear a new pair of gloves before resuming your work
  • Avoid touching your face while wearing work gloves

How To Remove Mold Behind The Walls Of Our Home?

remove mold behind walls
remove mold behind walls

It is very simple to remove molds behind the walls if you use the right product. Mold can hide behind your walls or in your bathroom making it more of a hassle to remove from your walls or from your ceiling. You don’t need to spend a lot of money on mold remediation specialist to get rid of mold from your home, you can do it by yourself. You just need the right tools and safety precautions.

The most important thing you should do is the following.

  • It is necessary to find the source of the water leak
  • Determine if its mold or mildew
  • Before starting to cut the wall, make sure you don’t cut into any electrical wire, its recommended to turn off the power to the outlets
  • Open up the wall by removing the wall covering to get at the mold growing inside the wall
  • Use a bucket with water for mixtures of substances.
  • Use a cup of liquid detergent
  • 1 cup of chlorine bleach
  • Pour the solution into a spray bottle
  • Spray the solution directly on the mold
  • Scrub the mold away until the spots are gone using a scrubbing brush.
  • Rinse the affected area spraying more solution on the mold and allow it to sit for a half hour
  • Once the half hour has elapsed rinse well with hot water
  • Allow the worked area to dry completely.
  • Once you have finished disinfecting the affected moldy areas seal the wood surfaces with an oil-based or with an oil-based primer.

Ammonia is another method to kill mold

One of the most efficient and used methods to eliminate mold is Combining a solution of ammonia and water (make sure the label says “clear ammonia”)

  • You must combine 50% of ammonia and 50 % water in a spray bottle and shake well.
  • Open all windows and doors to help vapours to disperse from ammonia solution.
  • Attack the moldy surfaces with the ammonia solution.
  • Allow the mold killing solution to sit for 2 hours before rinsing
  • The last step you have to do is to seal moldy areas after they dry


Never try to mix bleach and ammonia. Bleach and ammonia, when are combined, create a toxic chemical chlorine gas.

When to call a mold remediation specialist

According to the Environment Protection Agency

  • The area affected in your home is a good indicator of how serious the problem is and this indicates that you must call a mold remediation specialist if the mold covers an area larger than 10- square feet


1 – Family handyman
2 – How to remove black mold
3 – Black mold control




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