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floor support needed

  1. Appliances
    I'm installing a 3' x 4' masonry heater that will weigh 1700 - 2000 lbs in a room that is a converted garage. The floor is plywood over 2x4 joists directly atop a concrete slab. How much weight can this type of floor support?
  2. Building & Construction
    After finally completing the addition and building a few other projects, it seems the time is right to build a shop in the basement beneath the family room to store the leftovers. But I need to remove a column in the middle of this floor. There are no supporting walls on the floor above the...
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