Its nothing to do with doors. Even if you knew the measurement of a door how can you be sure without measuring whether you could get 41 or 42 along a wall?
Is it the number of lights you rely on?
...This is ACCURATE, not an estimate.
VERY accurate ...
stand ther and point you digital measure at a wall
........Many years ago in the early 80's ....
he used a calculator
Ok. I suppose I'll have to tell you..............it's so simple...................Count the ceiling tiles!!!Given that the ceiling tiles are probably 1 metre X half a metre, work it out from that.I said it could only be done 99% of the time.
...Given that the ceiling tiles are probably 1 metre X half a metre, work it out from that...
