Mansard Roof Ventilation and Mold Problem

Mansard Roof Ventilation

This owner of this charming house with a mansard roof contacted us due to a persistent issue of mold in the attic. The mansards, designed without a proper ventilation system, had created an environment conducive to moisture accumulation, thus fostering the development of mold and numerous ice dam problems on the roof. This situation is well-known, documented, and quite common in mansard houses built before the 1990s.

Situation Analysis and Error of a Previous Intervention

During our initial assessment, our team of experts confirmed the lack of ventilation through the mansards (fresh air intake), leading to a significant attic ventilation problem. It was not surprising to discover that an error had been made during a previous intervention by another contractor. Specifically, a roofing contractor had installed a Maximum system on the top of the roof (drawing stale air from the attic) to modernize ventilation but failed to check for the presence of fresh air intakes at the bottom of the slope.

Mansard Roof Ventilation, Mold Problem

Mansard Roof Ventilation, Mold Problem

This imprudent installation resulted in creating negative pressure in the attic, not only drawing warm air from the house but also pulling moisture from it in winter. By pulling this humid air into the attic too quickly, the Maximum system alone created an environment suitable to condensation and mold development.

Proposed Solution for Mansard Roof Ventilation

To resolve this issue, we recommended the installation of innovative air intake systems specially designed for mansard roofs, providing effective ventilation and preventing moisture buildup. These mansard roof vents, in conjunction with the Maximum system, allow optimal air circulation, creating an environment less conducive to mold growth. It’s a simple matter of balancing the volume of fresh air intake with the expulsion of stale air.

Mansard Roof Ventilation, VMax AT1 Plan

Mansard Roof Ventilation, VMax AT1 Plan

During our intervention, one of our teams corrected the previous error by restoring a proper balance between air intake and exhaust. This eliminated the problem of excessive drawing of warm air while ensuring adequate ventilation to prevent moisture accumulation. This was followed by mold treatment and an attic insulation upgrade to reduce heat and moisture losses.

Results Achieved and Customer Satisfaction

Following attic ventilation, the results were quickly noticeable. Improved air circulation significantly reduced humidity in the attic, eliminating the environment favorable to mold growth. Post-installation follow-up confirmed the successful mold remediation in the attic, creating a healthier indoor environment for this family.

Insulation with cellulose in a roof with mansards

Mansard Roof, Attic Insulation with Cellulose

Mansard Roof, Attic Insulation with Cellulose

This customer was fully satisfied with the intervention of the EcoRenov’s team. Not only was the mold problem effectively resolved, but the installation of a mansard roof ventilation system also and a new insulation enhanced the overall quality of the property, thus increasing its value in the real estate market. Our commitment to excellence and customer satisfaction was clearly demonstrated throughout the process.

Conclusion

This case study highlights our ability to identify and resolve complex issues related to attic ventilation, moisture, and mold. By offering tailored solutions, we create healthier environments for our clients. Our expertise continues to make a difference in preserving structures and the well-being of residents, correcting errors that may have been created in the past to ensure lasting results. If you are experiencing a similar problem and would like a free estimation, call 438-800-2046 and speak directly with one of our attic specialists. EcoRenov: your contractor for attic ventilation, attic mold decontamination, attic insulation and roofing.

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