Let’s start from the beginning: why does your crawl space need to be sealed?
The answer is that your problems regarding excess moisture are likely due to how the home was built in the first place. Starting in the 50s, many homes were made to “ventilate” the crawl space, but this extra airflow allowed excess humidity to collect and precious heating and cooling to escape.
Many newer homes don’t have this problem because they’re designed to be airtight for energy conservation, but we still recommend this one-time service to those struggling with damp crawl spaces. The many benefits of crawl space sealing include: