My house has a steel reinforced concrete slab under it. Reinforced concrete has a life time of 50-100 years, if everything was done right. You are going to ha

My house has a steel reinforced concrete slab under it. Reinforced concrete has a life time of 50-100 years, if everything was done right. You are going to have a hard time convincing me that I should care if the building on top will last longer than that.