Preventing Mould and Mildew Growth on Your Home’s Exterior Tips and Tricks

Preventing Mould and Mildew Growth on Your Home’s Exterior: Tips and Tricks

The growth of mould and mildew on your home's exterior not only compromises its appearance but can also lead to significant structural damage if left unchecked. Addressing these issues proactively can prevent long-term deterioration and maintain your property’s curb appeal. In this guide, we will explore effective strategies in preventing mould and mildew growth on your home’s exterior.

Understanding Mould and Mildew

Definition and Differences

Mould and mildew are fungi that thrive in moist environments and can be found on various surfaces around your home. While mould typically appears as irregularly shaped spots that can be of various colours (green, black, brown), mildew usually presents as a flat patch of white or grey. Each can significantly mar your home's exterior surfaces, particularly in shaded, moist areas.

Causes of Growth

The primary catalyst for mould and mildew formation in building exteriors is excess moisture coupled with poor ventilation and warm temperatures. Areas that retain dampness and lack adequate sunlight are particularly susceptible, creating ideal conditions for these fungi to flourish.

Risk Areas on Home Exteriors

Common Locations

Mould and mildew commonly affect areas such as siding, eaves, and around windows. These are parts of your home that may not receive enough sunlight or are frequently exposed to moisture through condensation or rainwater.

Contributing Factors

A common roof problem is inadequate drainage, which can lead to water accumulation and subsequently, the growth of mould and mildew. Ensuring that your roof is free of debris and your gutters are clean are crucial preventive measures.

Prevention Strategies

Material Choices

Using mould-resistant materials can make a significant difference in preventing fungal growth. For new constructions or renovations, consider mould-resistant paints or siding options, which can provide long-term protection against these unwanted invaders.

Landscaping and Environment

Proper landscaping is vital for preventing moisture accumulation near your home’s foundation and walls. Planting foliage too close to the house can restrict airflow and increase moisture levels. Strategically placing plants and using ground cover that absorbs moisture can keep the foundation dry and inhibit the growth of mould and mildew.

Regular Cleaning and Maintenance

Routine cleaning, including power washing, can prevent damage caused by contaminants like mould, mildew, dirt, and debris. It’s important to use a gentle setting to avoid damaging your siding or paint. Additionally, ensure that your gutters and downspouts are directing water away from your home effectively.

Treatment Solutions for Existing Mould and Mildew

Natural Remedies

For non-toxic cleaning solutions, a mixture of vinegar or baking soda with water can be effective for removing mould and mildew. These solutions are ideal for regular maintenance and can help keep your exteriors looking clean without the harsh effects of chemicals.

Chemical Solutions

In cases where mould and mildew growth is extensive, stronger chemical agents may be necessary. Products containing bleach or specialized fungicides can remove stubborn growths. Always follow manufacturer guidelines and take appropriate safety measures when using chemical treatments.

Professional Help

If mould and mildew are widespread or if the structure of your home is at risk, professional remediation may be necessary. Experts in mould removal can ensure that the growth is thoroughly eradicated and that measures are taken to prevent its return.

Long-term Maintenance and Monitoring

Routine Inspections

Regularly inspect your home for early signs of mould and mildew, especially after seasons with high rainfall or humidity. Catching problems early can prevent more severe damage and costly repairs.

Improving Ventilation

Enhance ventilation in moisture-prone areas by ensuring vents are open and unobstructed. In areas where external ventilation is limited, consider using dehumidifiers to control indoor humidity levels effectively.

Monitoring Humidity Levels

Utilizing tools such as hygrometers can help you keep a close eye on the humidity levels around your home. This is particularly important during the colder months when indoor heating can produce considerable amounts of moisture.

Safeguarding Your Home's Exterior Against Mould and Mildew

Preventing mould and mildew on your home's exterior is essential for maintaining both the aesthetic and structural integrity of your property. By understanding the causes, maintaining regular cleaning habits, and implementing preventive measures, you can ensure that your home remains beautiful and durable for years to come.

Top Window Choices for Handling Alberta’s Temperature Fluctuations

Top Window Choices for Handling Alberta’s Temperature Fluctuations

Alberta is known for its diverse and extreme climate, with temperatures ranging from scorching summers to freezing winters. This variability can be challenging for homeowners, especially when it comes to maintaining a comfortable indoor environment. One crucial aspect of this is choosing the right windows that can handle these temperature fluctuations effectively. Whether you’re building a new home or considering a window replacement in Calgary, selecting the best window choices for handling Alberta’s temperature fluctuations is essential for comfort and energy efficiency. In this article, we’ll explore the top window choices to help you navigate Alberta’s temperature extremes.

1. Triple-Pane Windows

Triple-pane windows are an excellent choice for regions with significant temperature fluctuations. These windows feature three layers of glass with insulating gas fills between them, providing superior insulation compared to double-pane windows.


  • Enhanced Insulation: Triple-pane windows offer outstanding insulation, significantly reducing heat loss in winter and heat gain in summer. This helps maintain a consistent indoor temperature, making your home more comfortable year-round.
  • Energy Efficiency: The excellent insulating properties of triple-pane windows can lead to substantial energy savings by reducing the need for heating and cooling.
  • Noise Reduction: Another advantage is their ability to reduce outside noise, creating a quieter indoor environment.

Ideal Uses

Triple-pane windows are particularly beneficial in bedrooms and living rooms, where maintaining a comfortable temperature and a peaceful atmosphere is essential.

2. Low-E Glass Windows

Low-E (Low Emissivity) glass windows are designed with a special coating that reflects infrared light while allowing visible light to pass through. This technology helps regulate indoor temperatures by managing heat transfer through the windows.


  • Temperature Regulation: Low-E coatings reflect heat back into the room during winter and keep heat out during summer, effectively regulating the indoor temperature.
  • UV Protection: These windows also block a significant portion of harmful UV rays, preventing your furniture, flooring, and other interior elements from fading.
  • Energy Savings: By reducing the reliance on heating and cooling systems, Low-E glass windows contribute to lower energy bills.

Ideal Uses

Low-E glass windows are ideal for rooms with significant sun exposure, such as living rooms, dining areas, and sunrooms.

3. Vinyl-Framed Windows

Vinyl-framed windows are a popular choice due to their durability and low maintenance. Made from PVC, these frames are designed to withstand extreme weather conditions without warping, rotting, or fading.


  • Durability: Vinyl frames are highly durable and can handle the extreme temperature changes in Alberta without deteriorating.
  • Thermal Performance: They offer good insulation properties, helping to keep your home warm in winter and cool in summer.
  • Cost-Effectiveness: Vinyl windows are generally more affordable than other framing materials, making them a cost-effective option for homeowners.

Ideal Uses

Vinyl-framed windows are versatile and can be used throughout the house. They are especially beneficial in high-traffic areas like kitchens and living rooms due to their durability and easy maintenance

4. Fibreglass Windows

Fibreglass windows are known for their strength and stability. Made from reinforced plastic fibres, these windows are extremely durable and can withstand the harshest weather conditions.


  • Strength and Stability: Fibreglass windows are resistant to warping, rotting, and expanding/contracting with temperature changes, ensuring long-term performance.
  • Energy Efficiency: They provide excellent insulation, keeping your home comfortable and reducing energy costs.
  • Aesthetic Versatility: Fibreglass can be painted to match your home’s decor and can mimic the look of wood with greater durability.

Ideal Uses

Fibreglass windows are ideal for areas prone to temperature extremes, such as sunrooms and kitchens, where durability and energy efficiency are crucial.

5. Casement Windows

Casement windows are side-hinged and open outward with a crank mechanism. They are known for their excellent ventilation and ability to seal tightly when closed.


  • Superior Seal: When closed, casement windows form a tight seal, providing excellent insulation and preventing drafts. This makes them highly energy-efficient.
  • Ventilation: Casement windows can be fully opened to catch breezes and provide maximum ventilation, which is beneficial during milder temperatures.
  • Ease of Operation: The crank mechanism makes it easy to open and close these windows, even in hard-to-reach places.

Ideal Uses

Casement windows are perfect for areas where ventilation and insulation are essential, such as bedrooms and kitchens.

Choosing the Right Windows for Alberta's Climate

Navigating extreme weather conditions can be challenging, but with the right window choices for handling Alberta’s temperature fluctuations, you can maintain a comfortable and energy-efficient home. Each of these window styles offers unique benefits tailored to handle Alberta’s extreme weather conditions. When considering a window replacement in Calgary, it’s essential to evaluate your specific needs and preferences to select the best options for your home. By investing in high-quality, energy-efficient windows, you’ll not only improve your home’s comfort but also save on energy costs and enhance its overall value.
With the right windows, you can create a bright, welcoming living space that stays comfortable year-round, no matter what Alberta’s weather brings.