Mould Remediation | Mould vs Mildew: How to Tell the Difference

November 19, 2024
4:08 pm

When it comes to household problems, few things are as frustrating as dealing with mould and mildew. Both are common in homes across Australia, particularly in humid climates or spaces with poor ventilation. While they might seem similar at first glance, mould and mildew are distinct issues that require different approaches for effective management. In this blog, we’ll explore the key differences between mould and mildew, their causes, and how to handle both effectively, with a focus on professional mould remediation where necessary.

What Are Mould and Mildew?

Before diving into the differences, it’s essential to understand what mould and mildew are. Both are fungi, but they have unique characteristics that set them apart.

Mould: Mould is a type of fungus that thrives in damp, warm, and poorly ventilated environments. It can appear in various colours, including black, green, white, or even orange. Mould often has a fuzzy or slimy texture and tends to grow on surfaces like walls, ceilings, carpets, and wood.
Mildew: Mildew is a specific type of mould, but it is typically less aggressive and more superficial. It appears as a white or grey powdery substance that usually grows on flat, moist surfaces, such as bathroom tiles, fabric, or paper.

Key Differences Between Mould and Mildew

Although mould and mildew are related, their characteristics and impacts differ significantly.

Feature	Mould	Mildew
Appearance	Fuzzy, slimy; black, green, orange, or white	Powdery or downy; white, grey, or yellow
Growth Areas	Walls, ceilings, wood, carpets, food	Surfaces like tiles, fabrics, and paper
Health Risks	Severe; respiratory issues, allergies, asthma	Mild; can cause minor respiratory problems
Depth	Penetrates surfaces	Stays on surface
Odour	Musty and strong	Mild or earthy

Understanding these differences is crucial in deciding how to address the problem. While mildew can often be handled with DIY cleaning methods, mould infestations often require professional mould remediation to ensure safety and long-term prevention.

The Causes of Mould and Mildew

Mould and mildew thrive in similar conditions, which is why they are often mistaken for one another. Here are the common causes:

Excess Moisture
Leaks, spills, or high humidity levels create the perfect environment for fungal growth.
Poor Ventilation
Spaces with limited airflow, such as bathrooms, basements, and cupboards, are especially vulnerable.
Warm Temperatures
Both mould and mildew flourish in warm climates, making them a frequent issue in Australian homes.
Organic Surfaces
Materials like wood, paper, or fabric provide nutrients that encourage fungal growth.

How to Identify Mould vs Mildew

Visually identifying whether you’re dealing with mould or mildew can save you time and effort. Here’s what to look for:

Mildew: Found on the surface, mildew is easy to spot and clean. A simple swipe test using a cloth or sponge can often remove it.
Mould: Mould, on the other hand, penetrates deeper into materials and often leaves a stain even after cleaning. If you notice structural damage, such as crumbling plaster or warped wood, you’re likely dealing with mould.

When in doubt, consult a mould remediation expert who can assess the extent of the problem.

Mildew might seem harmless at first but it can become a breeding ground for more aggressive mould if left untreated.

The Risks of Ignoring Mould and Mildew

While mildew might seem harmless at first, it can become a breeding ground for more aggressive mould if left untreated. The risks associated with mould are far more serious:

Health Risks: Mould can trigger respiratory problems, skin irritation, and even more severe health issues for those with asthma or allergies. Black mould, in particular, is toxic and requires immediate attention.
Structural Damage: Mould can compromise the structural integrity of your home, causing wood to rot, walls to weaken, and paint to peel.
Decreased Property Value: Visible mould or mildew can reduce the value of your property, making it harder to sell.

Handling Mould and Mildew

The approach to handling mould and mildew differs based on the severity of the issue.

For Mildew

Clean with Household Solutions: Use a mixture of vinegar and water or a specialised mildew cleaner.
Ensure Ventilation: Open windows and use fans to dry the area thoroughly.
Prevent Recurrence: Regularly clean tiles and other prone areas with anti-mildew sprays.

For Mould

For smaller mould patches (less than one square metre), you can attempt DIY solutions:

Wear Protective Gear: Always use gloves, a mask, and goggles to protect yourself.
Use a Mould Removal Product: Apply a commercial mould remover to the affected area.
Dry Thoroughly: Ensure the area is completely dry to prevent regrowth.

If the mould covers a larger area or has penetrated porous surfaces, professional mould remediation is essential. Experts can safely remove the mould, repair damaged structures, and implement long-term prevention strategies.

When to Call in Mould Remediation Professionals

Here are situations where you should avoid DIY methods and consult mould remediation experts:

Extensive Growth: If mould covers more than one square metre or has spread to multiple rooms.
Black Mould: Toxic mould types require specialised treatment to ensure safety.
Hidden Mould: Signs of mould behind walls, under carpets, or in air ducts indicate a deeper problem.
Health Concerns: If anyone in your household is experiencing health issues related to mould exposure.

Professional mould remediation services use advanced tools to locate hidden mould, safely remove it, and implement preventive measures to keep your home mould-free.

Preventing Mould and Mildew

Prevention is always better than cure. Here are some practical tips to minimise the risk of mould and mildew in your home:

Control Moisture: Fix leaks promptly and use a dehumidifier in damp areas.
Ventilate Properly: Use exhaust fans in bathrooms and kitchens to reduce humidity.
Regular Cleaning: Clean and dry surfaces prone to moisture regularly.
Check for Hidden Issues: Inspect areas like basements and attics for hidden leaks or dampness.
Use Mould-Resistant Products: Opt for mould-resistant paint and materials during renovations.

Conclusion

While mould and mildew might appear similar, their impacts and treatments are vastly different. Mildew is often a surface-level nuisance that can be handled with DIY methods, but mould is a more serious problem that often requires professional intervention. Understanding these differences and knowing when to call for professional mould remediation can save you time, money, and health risks.

By identifying the type of fungal growth in your home and taking the appropriate steps, you can protect your family’s health and the structural integrity of your property. If you’re dealing with a mould problem that feels overwhelming, don’t hesitate to contact a professional mould remediation service for expert assistance.

Investing in the right solutions today will ensure a safer, healthier, and mould-free home for the future.

Does your property need professional mould remediation? Trust the expert with AllAces Cleaning & Restoration today!

Aaron Gilbert

AllAces Cleaning & Restoration Expert
Aaron is a seasoned professional with over 16 years of experience in the restoration industry. Specialising in large-scale restoration projects and water damage restoration, Aaron has built a reputation for delivering exceptional results in challenging situations.