A childhood belief about around the house

Once when I was a kid my Dad went into the attick. I was fascinated there was a room in the house I had never been in and I wanted to go so baddly. My Dad told me I couldn't because you had to walk on planks or you would fall through the ceiling. For the longest time I pictured floating boards in this attick and my Dad jumping on them as the floated by. I never did see the attick