Masking tape  From Wikipedia, the free encyclopedia Jump to:
navigation, search Masking tape Painter's tape, a type of
masking tape usually used for wall painting.    Masking tape was
invented in 1925 by 3M employee Richard Drew. [1] Drew observed
auto-body workers growing frustrated when they removed butcher
paper they had taped to cars they were painting. The strong
adhesive on the tape peeled off some of the paint they had just
applied. Touching up the damaged areas increased their costs.
Drew realized the need for tape with a gentler adhesive.   For
its original use of marking off areas where body paint is not
desired, a special grade of painter's masking tape is needed.
With this special grade, very clean lines can be produced.
Without it, the paint bleeds under the edges of the tape,
producing a fuzzy or varied line.   House painter's tape is
rated by how many days it can be left up without leaving residue
on the surface being masked. It is available in 1, 3, 7, 14, 30,
and 60-day ratings, with the 7- a