screed

(skrēd)

1. A long monotonous speech or piece of writing.
2. a. A strip of wood, plaster, or metal placed on a wall or pavement as a guide for the even application of plaster or concrete.
   b. A layer or strip of material used to level off a horizontal surface such as a floor.
   c. A smooth final surface of a substance, such as concrete, applied to a floor.