Unglazed, red body, heavy duty tile. Usually low water absorption with a textured pattern on its face.
Greywater
Waste water from a household source other than a toilet. This water can be used for landscape irrigation depending upon the source of the greywater.
Grid
A pattern of lines laid out at right angles to each other. Alternately, a series of intersecting lines dividing a map or chart into equal sections. Also, the intersecting bars, wires, or supports as in a grating or supports in a dropped ceiling.
Grid system
Division of a large area into grid or squares to it more manageable.
Grillage
Grid of steel rebar in a concrete foundation to spread the load over a wider area.
Grille
Coverings for the ducts where they open to the conditioned space.
Grinder
Abrasive wheeled tool that is used to sharpen tools or to grind off material.
Grinder stand
Grinder stands are usually constructed of cast iron and provide durability and stability when using a grinder.