AskDefine | Define grout

Dictionary Definition

grout n : a thin mortar that can be poured and used to fill cracks in masonry or brickwork v : bind with grout; "grout the bathtub"

User Contributed Dictionary




  1. Coarse meal; ground malt.
  2. Mortar used between tiles.


Mortar used between tiles (2)


  1. To insert mortar between tiles.
    I spent the whole afternoon grouting the kitchen floor.


Extensive Definition

Grout is a construction material used to embed rebars in masonry walls, connect sections of pre-cast concrete, fill voids, and seal joints (like those between tiles). Grout is generally composed of a mixture of water, cement, sand and sometimes fine gravel (if it is being used to fill the cores of cement blocks). Sometimes color tint is applied as a thick liquid and hardens over time, much like mortar.
It is also a component of mosaics. Although ungrouted mosaics do exist, most have grout between the tesserae.
Main varieties include: tiling grout (either cement-based or epoxy), flooring grout, resin grout, non-shrink grout and thixotropic grout.
There are a few tools associated with applying and removal of grout such as:
  • grout saw or grout scraper; a manual tool for removal of old and discolored grout. The blade is usually composed of tungsten carbide.
  • grout float; a rubber-faced smoothing tool for applying grout to flat surfaces such as tile, walls, marble, etc.
  • grout sealer is a water-based sealant applied over dried grout that resists water, oil and acid-based contaminants.
  • Dremel grout attachment; an attachment guide placed over a Dremel rotary tool for faster removal of old grout than a standard grout saw.
grout in Bulgarian: Фуга (строителство)
grout in German: Fuge (Bauwesen)
grout in Italian: Boiacca
grout in Dutch: Grout
grout in Japanese: グラウト
grout in Polish: Fuga (budownictwo)
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