![Mold Spores on Floor Joist](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/285180-5f20257b35465_image-11.jpg?v=1595941918)
Mold Spores on Floor Joist
Consistently high humidity has let the mold on the wood reproduce and grow across the floor joist.
![Ripped Plastic Barrier](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/285181-5f202574131d9_image-9.jpg?v=1595941918)
Ripped Plastic Barrier
Thin plastic vapor barriers are weak and rip easily. Once it rips, like this, it can cause all sorts of moisture issues.
![Sealed Crawl Space Door](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/285182-5f202576a462b_f089850a-f433-4889-a352-4df7b3032825jpeg.jpg?v=1595941918)
Sealed Crawl Space Door
To keep the outside air from affecting the humidity and air quality inside the crawl space, we sealed off all exterior entry points.
![Dehumidifier and CleanSpace Vapor Barrier](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/285184-5f2025c350fc8_65ac8672-7fa2-4e2e-a937-e29e9316a2c6jpeg.jpg?v=1595942318)
Dehumidifier and CleanSpace Vapor Barrier
Once sealed off, we protect the inside crawl space air by regulating it with a dehumidifying air system and a strong and reliable vapor barrier. These products are designed to keep moisture out and humidity low in a crawl space.