Glossary
Hard Water
Water with a high mineral content, typically comprising calcium (Ca2+) and magnesium (Mg2+) metal cations. May also contain other dissolved compounds such as bicarbonates and sulphates. Where a swimming pool’s water is hard, for example, or can be maintained at a level over 200mg/ litre expressed as CaCO3, cementitious grouts modified with polymers are generally suitable.
Honed
A machine process which results in a smooth, matt surface.
Hygroscopic
Materials that attract water molecules from the surrounding atmosphere.
Ink-Jet
A term that refers to the print or pattern on the tile which has been applied using an ink-jet printer.
Insert Tile
A decorative tile used in isolation within a plane of field tiles to enhance the appearance of a wall or floor.
Insolation Joint
A gap between adjoining parts of a concrete structure, usually a wall or other vertical plane, at a point designed to minimise interference with the structure’s performance but which allows relative movement.