Address: 709 John Sevier Dr, Sevierville, TN 37876, USA…. Phone: (865) 407-8352…. Crawlspace Fitness is a leading provider of crawl space encapsulation, moisture control, and repair services. We specialize in inspection, vapor barriers, dehumidifiers, sump pumps, foundation repair, mold remediation, and insulation to improve indoor air quality, reduce energy costs, and protect homes from moisture damage. Proudly serving Sevierville, Knoxville, Pigeon Forge, Gatlinburg, and surrounding areas in Tennessee (plus parts of North Carolina).