A sump pump can run normally and still send water straight back into its basin if the discharge system does not prevent backflow. That returning water can make the pump cycle more often, increase wear, and create unnecessary noise after each pumping cycle. A correctly selected and installed sump pump check valve helps prevent this … Read more
Loose, split, missing, or deteriorated crawl space blocking can affect how a floor framing system behaves. You may notice it as movement between joists, a loose piece of wood hanging beneath the floor, or an area where the framing no longer looks properly supported. In some homes, damaged blocking is visible during a routine crawl … Read more
A crawl space can become damp long before water is visible on the floor or insulation. If you only inspect the space occasionally, a humidity increase, sudden temperature drop, or equipment failure may go unnoticed for days. Setting up crawl space temperature and humidity alerts gives you an earlier warning when conditions move outside your … Read more
Incorrect crawl space insulation and vapor retarder placement can leave a home with cold floors, damp insulation, condensation, and hidden wood damage. The problem is not always the insulation material itself. In many cases, the insulation and moisture-control layers are installed in the wrong locations or used together in an assembly that does not match … Read more
A crawl space vapor barrier that covers the soil but stops short of the foundation walls can leave an important moisture pathway untreated. Ground moisture may move through exposed soil, while moisture can also enter through porous masonry and poorly sealed wall transitions. Attaching the liner correctly helps create a more continuous moisture-control layer and … Read more
A crawl space dehumidifier that repeatedly freezes up may stop removing moisture just when your home needs it most. You might notice frost on the evaporator coil, ice behind the air filter, reduced airflow, water leaking after the ice melts, or a unit that repeatedly shuts down and restarts. Continuing to run a freezing unit … Read more
A dark crawl space makes it easy to miss leaking pipes, torn vapor barriers, damaged insulation, pest activity, and early signs of wood deterioration. A phone flashlight may help with a quick look, but a dedicated work light can illuminate a wider area while keeping both hands available for inspection and documentation. The best rechargeable … Read more
A sump pump can be powerful enough to remove water from a crawl space yet still struggle if its discharge pipe is incorrectly sized, poorly routed, or partly blocked. An unsuitable discharge line can increase resistance, reduce flow, contribute to repeated cycling, and send water back toward the foundation if the outlet is poorly located. … Read more
Dark patches on crawl space joists can be alarming, but discoloration alone does not tell you whether the wood is mold-stained, surface-contaminated, or deteriorating from fungal decay. Misidentifying the problem can lead to wasted repair costs—or, more seriously, overlooking structural damage that needs prompt attention. Learn to distinguish common warning signs, check the surrounding moisture … Read more
A crawl space humidity sensor can report reassuring numbers while damp conditions persist elsewhere—or show high humidity even after your dehumidifier has done its job. Before replacing a sensor or changing your equipment settings, check whether the reading is trustworthy. Sensor placement, temperature differences, condensation, aging components, and normal measurement tolerances can all affect the … Read more