A crawl-space moisture-control system that seals exposed soil and selected surfaces and may include drainage or dehumidification.
Crawl-space problems often overlap with drainage, humidity, insulation, and wood or support conditions, so it helps to separate the moisture source from the damage it may have caused. Ask the provider what the proposed scope addresses directly and whether drainage, dehumidification, insulation, structural repair, or another follow-up service may be separate. Before contacting a provider, note the moisture problem, existing liner or insulation, drainage conditions, and whether you have received an inspection or estimate.