MRI-Mold.ca offers mold removal and remediation to households and businesses. To view more information on their services, visit http://www.mri-mold.ca/. Their offices are located at 130 King Street West #1800 Toronto, ON M5X 1E3‎ (416) 504-0333.

1. Tips for Cleaning Mold From
Walls

2. For most homeowners, just the word mold is enough to
make you cringe. There is a lot about mold that the
average person doesn’t know, but everyone knows that
it is better off avoided.
Mold can find its way into your home through a variety
of means, and once it’s there it can be difficult to
remove. Mold is common in basements and bathrooms
and attics, and even on your walls.

3. About Mold
Mold is a living organism and can be both helpful and
harmful, depending on where it is growing. Here is
some basic info. about mold:
• Mold requires moisture to grow
• Mold won’t grow on dry surfaces
• Mold inside your home has health risks
• Mold includes things like fungi and mushrooms
• The drug penicillin is derived from mold
• Over 270 species of mold have been found in
Canadian homes

4. How Does Mold Spread?
One of the issues with household mold is when it starts
spreading from its original spot to other areas. Mold
requires nutrients and moisture to spread and grow, but
not all molds require the same conditions.
Some types of mold thrive on materials that are actually
wet, while others do best on materials that are just
damp on the inside.
The high moisture levels that mold needs may come
from outside the home or from the occupants on the
inside.

5. What Are the Dangers of Mold?
Some of the dangers of mold include:
• Respiratory illness
• Headaches
• Weakened immune system
• Allergic reactions
• Rotted wood
• Stains and discoloration
• Structural damage

6. How Do I Know If It’s Mold?
Since mold releases spores that can cause health
issues, it’s best not to go poking around too much.
Here are some ways to help you identify mold in your
home:
• Discoloration of walls, carpets, wood, fabrics
• Musty or earthy kind of smell in damp areas
• Wetness or damp spots

7. Mold on the Walls
Even though walls aren’t a place that most homeowners
expect to find mold, it still happens and it still carries the
same kind of health concerns.
Whether you have drywall, concrete walls or wooden
walls, mold can become a problem that needs attention.
Keep reading for some tips on how to clean mold off
different wall surfaces.

8. Mold on Drywall
If you notice spots of mold on your drywall:
• Add a small amount of baking soda or detergent to a
damp rag
• Wipe the mold off the drywall, but don’t let the wall
get too wet in the process
• Watch the section of wall over the next several days
to see if the mold comes back. Returning mold
indicates the original source of moisture is still
present.

9. Mold on Concrete
If you detect mold on a concrete wall:
• Vacuum the area with a HEPA vacuum cleaner
• Clean off the moldy spots with detergent and water
• Use one cup of trisodium phosphate dissolved in two
gallons of water if the water and detergent doesn’t
work. Soak the moldy surface for at least 15
minutes.
• Dry the concrete as quickly as possible when the
mold is gone

10. Mold on Wood
For wooden walls:
• Vacuum any loose mold away with a HEPA vacuum
cleaner
• Try using a damp rag and detergent to wipe the mold
away, then rinse and dry the area quickly
• Sand the wood and vacuum away the results if the
detergent is unsuccessful
• Replace any wood that is rotted from the mold

11. When to Call the Pros
In some cases, you may be able to eliminate the mold
problem yourself, but you should call in the
professionals if:
• Your home has a high moisture level or is humid
• You have a high volume of mold to deal with
• The mold returns after you’ve cleaned the area several
times
• You have elderly people or small kids living in the
home, or you or a family member have a respiratory
illness

12. References
MRI-Mold.ca offers mold removal and remediation to
households and businesses. To view more information
on their services, visit http://www.mri-mold.ca/. Their
offices are located at 130 King Street West #1800
Toronto, ON M5X 1E3 (416) 504-0333.