back' plas"tering
— Building Trades. Building Trades.
- the introduction of partitions of lath and plaster between the inner and outer surfaces of a stud wall in order to improve the insulating properties of the wall.
- parging applied behind the exterior brickwork of a wall in order to exclude moisture and air from the interior of the wall.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.