When it comes to protecting your home from mould and mildew, insulation might not be the first thing that comes to mind. However, closed-cell spray foam insulation offers a powerful defence against these common issues. 

As one of the most effective insulation materials on the market, closed-cell spray foam improves energy efficiency and acts as a barrier to moisture, which is key in preventing mould and mildew growth.

What Is Closed-Cell Spray Foam Insulation?

Closed-cell spray foam insulation is a type of insulation material that expands when applied, filling gaps, cracks, and voids in walls, attics, basements, and other areas. 

Made from a mixture of chemicals that form tiny, closed cells, this foam hardens quickly, creating a solid, durable barrier. 

Closed-cell foam has a higher density than open-cell foam, making it more effective at blocking moisture and providing a superior insulating value.

How Closed-Cell Spray Foam Prevents Mould and Mildew

Mould and mildew thrive in damp, humid environments. The ability of closed-cell spray foam to block moisture is what makes it so effective in preventing these fungal growths. 

Here’s how it works:

1. Water Barrier Properties

Closed-cell spray foam creates an impermeable barrier that prevents water and moisture from entering walls or ceilings. This is especially important in areas prone to moisture, such as basements, crawl spaces, and attics. 

2. Reduces Condensation

Condensation is another major contributor to mould growth. When warm, moist air comes into contact with cold surfaces, it condenses into water droplets, which can lead to damp areas where mould can thrive. 

The solid barrier created by closed-cell spray foam helps to regulate temperature differences between surfaces, reducing the likelihood of condensation forming on your walls, ceilings, or pipes.

3. Improved Indoor Air Quality

Closed-cell spray foam also helps improve indoor air quality. Since it seals gaps and cracks, it reduces the chances of air leaks, which can bring in humid air from outside. This keeps the indoor environment drier, further discouraging mould and mildew growth.

Additional Benefits of Closed-Cell Spray Foam Insulation

While its mould and mildew resistance is one of the standout features, closed-cell spray foam offers several other advantages:

1. Energy Efficiency

Closed-cell spray foam has a high R-value, meaning it provides excellent thermal resistance. This can drastically reduce heating and cooling costs by preventing heat transfer and air leaks. 

2. Structural Strength

Closed-cell spray foam also adds to the structural integrity of your home. Its rigidity helps to reinforce walls, roofs, and other surfaces, providing additional support. 

This can be particularly beneficial in areas that are vulnerable to storms or extreme weather conditions.

3. Long-Term Durability

Unlike other insulation materials that can sag or settle over time, closed-cell spray foam retains its shape and effectiveness for many years. 

This long-lasting durability ensures continued protection against moisture and mould and maintains its insulating properties over time.

Why Choose Closed-Cell Spray Foam for Mould Prevention?

Whether you’re building a new home or upgrading an existing one, this insulation choice offers peace of mind, knowing your home is better protected against harmful moisture issues.

At Summit Insulation Services, we specialize in closed-cell spray foam insulation for homes and businesses in Gretna and the surrounding areas.

Contact us today to learn more about how closed-cell spray foam insulation can protect your home from mould and mildew!