That moist discoloration on the ceiling corner or bathroom walls, is it mold or mildew? A question that taunts every homeowner unless they are experts in mold, mildew and related concerns. Most property owners find it difficult to distinguish mold and mildew.

While the differences between mold and mildew are subtle there are some factors that differentiate the two concerns and govern how the condition should be identified and addressed.

What is mold?

Mold is a form of fungus that develops from the microscopic spores in the atmosphere. There are different varieties of mold in the ecosystem. Some mold types play a crucial role by decomposing the organic matter including dead trees and leaves.

While some mold types can be beneficial to the ecosystem, certain types can be harmful when it grows indoors. These mold types, if left untreated can pose a threat to the health and even the cosmetic and structural value of the property.

What is mildew?

Mildew is a mold type that usually thrives on the flat, moist surfaces. The affinity of mildew towards flat surfaces can be the main differential factor when comparing it with mold.

Mildew usually does not pose a severe threat to the health of the inhabitants, but can damage the aesthetics and structure of the property.

Mold	Mildew
A type of fungus.	A type of mold.
Found throughout the ecosystem.	Grows on flat, moist surfaces.
Types thriving indoors can pose health concerns and affect aesthetics and structure of your house.	Damage is usually more cosmetics, can be destructive towards plants and animals.
Health concerns in humans are sneezing, runny nose, dry or scaly skin, itchy throat or eyes.	Similar to the health concerns due to mold like throat irritation, headache and wheezing.
Can be found anywhere within your house, clothes and even pets.	Commonly found in window sills and shower walls.
Mold can appear as long filaments with a fuzzy look.	Mildew can appear in powdery or downy texture.
Mold can appear in black, white, gray, blue, green, brown, or yellow color.	Mildew can appear in white, yellow, black or brown color.

Both mold and mildew can be identified by a strong musty smell. Preventing mold and mildew can be a challenging task, especially when you reside in coastal areas where the moisture concentration in the atmosphere is on the higher side.

Once mildew or mold growth is identified within your household or any commercial property, it is ideal to consult a mold remediation specialist to get the condition treated efficiently.

Even though you have several DIY tips related to removing mold or mildew, if the condition is not contained efficiently, the chances of reoccurrence are more than 80%. Foresee these possibilities and keep an eye out for mold or mildew growth as the earlier the condition is detected, the easier it would be to eradicate it.