JLB Basement Waterproofing & Foundation Repair LLC keeps Boone-area homes dry and stable. We handle foundation repair and house foundation leveling to fix sinking foundations and cracked foundations. Services include basement waterproofing, interior waterproofing, exterior waterproofing, foundation crack injections, sump pump installation with battery backup, crawl space support, and concrete foundation restoration such as slab leveling, mudjacking, and polyjacking foundation repair. Clean crews, clear inspections, financing, and transferable warranties. JLB provides foundation repair and basement waterproofing in Boone, Ames, Jordan, Ogden, Fraser, Luther, Huxley, Nevada, Story City & more.