A high build textured, decorative finish
Asbestos
Asbestos 
A mineral board containing asbestos fibres and generally supplied in plain or corrugated sheet form and other building items.
Also contained in some textured paints and ceiling decorative covering.
Although Asbestos has been banned since the early 1980's care should be taken during
renovation works and if in doubt professional advice should be obtained.
http://www.hse.gov.uk/asbestos/surveys.htm
Atrium
In architecture an Atrium or Skylight refers to the centre of a entrance to a building, large room or court yard with a glass roof which can be more than one story in height. 
Back Putty
A layer of putty used to embed glass into a frame before securing and applying the facing layer of putty
Backing Coat
Plastering term relating to a coarse mix of plaster applied to brick or blockwork before the finishing plaster is applied.
Bagging
Bagging 
A decorative finish produced by dabbing a wet glazed or painted surface with a crunched up cloth, paper bag or plastic.
Ball Mill
A drum containing pebbles or stones for the grinding of pigments with the product medium e.g. alkyd resin to form a smooth paste as the basis of oil paint. Also see Roller Mill, Sand Mill, Dyno Mill.
