Surfacing And Waterproofing by IHC Group is a Los Angeles waterproofing contractor focused on high-performance systems for residential, commercial, and hillside properties. Our work includes below-grade waterproofing, balcony and deck systems, roof deck waterproofing, TPO roofing, swimming pool waterproofing, exterior wall waterproofing, sheet metal, and structural repairs. We approach every project with an emphasis on durability, skilled execution, and long-term protection.