Humidity and Insulation: How to Avoid Moisture and Mould Understanding the Role of Humidity in Homes

In Quebec’s challenging climate—cold winters and humid summers—controlling humidity levels is essential. Humidity, or hygrometry, refers to the amount of water vapour in the air. When excessive, it can lead to condensation, damage building materials, and most concerning, create conditions for mould growth. Mould doesn’t just harm the structure of your home—it also impacts indoor air quality and family health.

The Risks of Moisture and Mould

When moisture infiltrates insulation or walls, it reduces thermal performance and increases energy bills. Over time, mould spores can spread, triggering allergies, respiratory issues, and even structural damage. Poor humidity management is a costly mistake, both in home repairs and health care.

Insulation and Airtightness: A Perfect Pair

The key lies in combining high-performance insulation with effective airtightness. A reliable system includes:

• Insulation that reduces heat loss and prevents thermal bridges,
• Air and vapour membranes to control air leakage and moisture transfer,
• Professional installation that ensures system continuity and long-lasting results.

The Building Insulation Range: Durable and High-Performance Solutions

Our bio-based range stands out for its energy efficiency and long-lasting durability.It delivers stable thermal performance, helping maintain balanced humidity while reducing condensation risks. ISOTK products provide both comfort and energy efficiency, ensuring a healthier and drier indoor environment.

Membranes: Smart Moisture Protection

To complement insulation, our membrane collection provides critical protection against humidity and air infiltration.

• Smart vapour control membranes adapt their permeability depending on humidity levels, allowing walls to “breathe” when needed.
• Weather-resistant and waterproof membranes shield your building from external water and air leaks, without compromising indoor comfort.

Together, ISOTK insulation and advanced membranes create a complete system that prevents moisture buildup and mould growth, ensuring long-term protection.

Practical Tips for Homeowners

• Ensure proper ventilation: use air exchangers or open windows regularly.
• Eliminate moisture sources: fix leaks promptly, dry up water damage quickly, and avoid overusing humidifiers.
• Inspect insulation regularly: early detection of weak spots prevents costly damage.
• Invest in quality products: lasting protection comes from reliable insulation and membranes, not temporary fixes.

Conclusion

Humidity management is more than comfort—it’s about health, durability, and energy efficiency. By choosing ISOTK insulation and our specialized membranes, you protect your home against moisture and mould while creating a safer, longer-lasting, and more energy-efficient living space.