A well-protected home is a top priority for any homeowner, and one crucial element in this protection is the siding. In this blog post, we will explore a case where a homeowner faced issues with water entering their home during heavy rains, specifically when it hit the siding. Investigation revealed that the initial contractor had failed to use housewrap during the siding installation. We’ll discuss the repercussions of this oversight and the comprehensive solution implemented to ensure the homeowner’s peace of mind and a permanently leak-free home.

Missing house wrap under the siding

Main Points:

  1. The Customer’s Water Infiltration Problem: The customer in this scenario had been experiencing water entering their home during heavy rains, particularly when the rain hit the siding. This issue was causing frustration and concern for the homeowner, as it could lead to more significant problems like water damage and mold growth.
  2. Identifying the Root Cause: To address the problem effectively, a thorough examination using infrared leak detection was carried out. It was discovered that the initial contractor had not used housewrap during the siding installation. Housewrap is a critical barrier that prevents water from infiltrating the interior of the home. Its absence had allowed water to penetrate the siding and seep into the house.
  3. A Comprehensive Solution: To rectify this situation, a professional team had to take extensive action. The siding had to be carefully removed to expose the wall. Housewrap was then installed on the wall to create a water-resistant barrier. Additionally, rubberized tape was used to seal the bottom of the step flashing, ensuring that no water could enter the house through this vulnerable area.
  4. Restoring the Siding: After ensuring that the home was properly protected against water infiltration, the team reinstalled the existing siding. This step was crucial to maintain the aesthetic and structural integrity of the house. The homeowner was pleased with the result, as the comprehensive solution provided ensured no further leaks.


Maintaining a dry and secure home is essential for every homeowner. The case we’ve discussed highlights the significant impact of proper siding installation. The absence of housewrap during the initial siding installation had caused water infiltration issues during heavy rains. However, with the installation of housewrap and the careful sealing of step flashing with rubberized tape, the homeowner was able to enjoy a leak-free home once again. This case serves as a powerful reminder of the importance of thorough and professional siding installation to protect your home from potential water damage, structural issues, and the associated costs. Investing in the right materials and workmanship ensures a home that stands strong against the elements, providing you with peace of mind and a protected living space.

Jon Annis

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