TermDefinitionTags
PorcelainDescription increasingly given to highly vitrified, dense dust pressed, impervious, fine grained cer...
PorosityIn ceramic material it expresses the relationship of open pore space to bulk volume as a percentage....
Portland CementUsed in screeds, renders, adhesives and grouts to comply with BS EN 197-1 Cement Ð Composition, ...
Pourable ThickbedCement based tile adhesive, with additives, used in thicknesses up to 25 mm and applied by pouring r...
Pricking up CoatFirst or backing coat of a render or plaster....
PrimingThe action of applying an acrylic or latex polymer primer to a porous or unstable background to assi...
Quarry TileA traditional wet plastic clay product produced by pressing and then firing. Later production was ma...
Ramp TestOne of the standard laboratory methods of testing slip resistance Ð see also pendulum test. Germ...
Reaction ResinResin involving two or more components including synthetic resin and mineral fillers which requires ...
RectifiedA process in which tile edges are sawn or ground to ensure all within a batch are exactly the same s...
Reference LinesTwo lines, intersecting at 90¼, marked on wall or floor substrates during setting out, to est...
ReinforcementMild steel mesh to BS 4483 with 2.5 mm diameter wire in mesh sizes 50 x 50 or 100 x 100 mm used in f...
RenderA sand and cement backing coat for tiling, usually applied in at least 2 coats....
RenderingThe act of applying a render to a wall....
Roller KilnA modern kiln for firing ceramic tiles and sheets in which the product passes through in 24 hours on...
Rounded EdgeTreatment of external angles by means of a rounded or glazed rounded edge. Now virtually obsolete an...
Rubber HammerHeavy rubber hammer used in floor tiling to ensure good contact between tile and adhesive....
Rubbing BlockA silicone block or varying grit sizes to assist in the removal of rough edges and the forming of mi...
Salt GlazeType of glaze used in the production of fireclay and faience. Still seen as salt glazed stoneware dr...
SandFine aggregates as described in BS EN 13139 Aggregates for mortar, used in rendering, screeding and ...