Mold produces gasses called microbial volatile organic compounds mvoc many of which have a musty smell.
Mold inside wall from roof leak undetectable.
When the wall is open it is necessary to find the source of the water leak in order to stop the moisture that is accumulating within the wall.
Certified mold testers are usually engineers and they know how and where to look for mold.
That s because mold.
Mold and mildew can become costly and hazardous problems if left alone.
Brown or gray ceiling discoloration.
To stop mold at its source you will need to eliminate the substance that allows it to grow in the first place.
Mold often grows in places where you can t easily see it like inside walls and under carpet.
When water enters the home and has the chance to stagnate mold spores begin to germinate within the moist surface.
Because it s an interior wall condensation is unlikely unless the interior rh is extremely high.
A leaky roof can pave the way for mold in a big hurry.
In this case the moisture buildup is indirect the roof leak only affects a small area but the dampness in the air causes condensation throughout.
Cut a hole in the wall large enough for your head to fit inside.
Also be sure to completely dry the area before closing it back up because even a slight amount of moisture can result in mold growth.
How to find a water leak.
Systemic growth occurs when the roof leak causes enough moisture buildup in the attic to cause mold growth throughout the entire area.
The only way to know for sure if there is mold in walls is to look.
The wall studs should be replaced if possible.
Use a utility knife to score a line about 10 inches 25 cm long into your drywall at the location where you see visible signs of a water leak mold discolored drywall etc.
Then using a drywall saw cut along the line you just scored.
If your home smells musty you should suspect mold and inspect your home carefully.
You can also call in a certified mold tester to inspect your home and test different areas for the presence of mold.
The most common causes of mold growing on walls are high humidity condensation and water leaks which are often hidden inside the wall.
If it s dry the mold is likely due to damp materials during the original construction of the wall.
Roof leaks cause two types of mold growth.
Aside from the above visible signs there are also some obvious health side effects that can trigger you to realize you have mold in your home.
Cut 12 inch by 12 inch inspection holes with a drywall saw every four feet remove any insulation and use a mirror and flashlight to inspect the inside of the walls.
The spores can damage wall boards discolor tiles destroy carpets and cause health symptoms that include respiratory and sinus infections.
Visible mold growth usually dark green brown or black a musty odor near the area of the roof leak.
If it s wet and there s truly no plumbing in the wall you might have a roof leak.
If you notice a musty odor in your home but don t know where it s coming from there could be mold growing inside the walls or elsewhere.
Condensation is especially common on walls which form the perimeter of a house.
