Dave Carpenter wrote:
> A couple folks have expressed concern about open flame etc. I need to
> point out that my furnace is in the room on the second floor of the
> garage building and blows down through duct work to the garage area
> below. I believe that you are safe as long as the flame is above
> 18-24" above the floor. (correct me if this is wrong, there are actual
> regulations that should be checked).
>
> Dave
>
That would be safe in the case of gasoline and propane vapors, both of
which are heavier than air and lay at floor level. On the otherhand,
natural gas is lighter than air and drifts to the ceiling. Other
solvents may also drift to the ceiling.
Alan
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