We are a fully GC licensed Sinkhole Repair Company. APD Advanced Stabilization offers the #1 WARRANTY & PRICE for the following services in ALL OF FLORIDA: Pool Deck Leveling, Existing Interior/Exterior Concrete Slab Leveling, Waterproofing, Void-Filling, Deep Injection Chemical Grout, Stair-step cracks repair/Foundation stabilization. APD is a family-owned and operated foundation repair company that was started in February 2014. The owners have been in the foundation business for over 15 years; Combined with our field crews, they have over 50 years of repair experience. We will perform a free inspection and explain what needs to be done in order to re-level your existing concrete slabs and pool deck.