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My daughter recently purchased a home that is 23 years old. It has under slab / concrete heating. The product used in concrete is a red/orange rubber piping or tubing connected to copper manifolds. The piping is failing big time and we have to abandon the existing heating system and retro fit with a new one possibly forced air. Her first house purchase is almost shattered. I am her dad trying to find answers as to how to proceed and to figure out if someone should be liable. Your responses will greatly valued. Thanks