In case you find the tape measure damp or dirty, it won’t retract all the ways. Attempt to stack up by the ceiling? 2 everyone is needed or maybe the tape will fall on the top of yours. The old fashion tape measure is additionally not so precise. If you calculate an area or maybe ceiling see the sag in the metal tape? This sag takes away from the accuracy of yours. Have you laid the tape measure of yours on the bumpy ground? This takes away from the measurement precision of yours.