Check your home for sources of excessive moisture.
Checking for mold inside walls.
It s very common when you have mold on your walls to also find mold inside the walls.
To check inside your walls for mold you ll need to carefully cut out six inch squares of drywall remove the cut out squares and use a long handled mirror and flashlight to look inside for mold.
It is recommended that you check in several places since you might miss small amounts of mold if you only look inside the wall in one spot.
These include flooding water leaks damp basements hvac duct systems or shower or cooking steam.
Any mold can cause problems for people.
Another indicator of mold growth is discoloration which can occur even if you have repainted your home s walls.
Closely inspect nearby vents roof flashing decks window wells and anywhere wood is rotting.
While home mold testing kits are simple to use they only capture samples in the air and on exposed surfaces.
It s the last thing you need in your home.
Check for surface discoloration such as yellowing material rounded brown spots or black often furry looking discolorations that indicate mold and mildew growths.
This is because the mold will still be visible on the wall s surface.
Mold can appear in many shades from black to white to brown to gray to green.
If you don t remove the mold inside walls as well there s no point removing the mold on the outside of the walls since the mold inside the walls will just continue.
How to tell if black mold is hiding in your walls.
When dealing with wall mold you have to check for mold in walls too.
Black mold the words alone are enough to make you cringe.
Look for uninsulated exterior windows and walls including uninsulated closets along exterior walls where mold can grow when you run your heating in the winter.
Discoloration can also happen in the event that damage has been done from within.
A top of the line home mold testing kit should include.
The diy mold testing process.
How to detect mold in walls cleaning mold on visible surfaces may not be easy especially if it s a major infestation but it is very much possible even without the help of mold remediation experts.
Measure from the moldy area to a reference point like a door then find the spot on the other side of the wall or ceiling.
Look at the wall surface carefully.
If mold is growing on an exterior wall or ceiling first look for a leak in the wall or roof as a test for mold.