Grout is a construction material used to embed rebar 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 often color tint, and sometimes fine gravel (if it is being used to fill the cores of cement blocks). It is applied as a thick liquid and hardens over time, much like mortar (masonry) It is also a component of mosaic . Although ungrouted mosaics do exist, most have grout between the tesserae Main varieties include: tile grout (either urethane, cement-based or epoxy), flooring grout, resin grout, non-shrink grout and thixotropy 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 trowel like tool for smoothing the surface of a grout line, typically made of rubber or soft plastic. * grout sealer is a water-based or solvent-based sealanthttp://www.hihut.com/how-to-seal-grout.html How to Seal Grout] December 5, 2009lt;/ref> 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.

References

See also

*Mortar (masonry) *Mortar joint *Caulk *Thinset

External links

*http://www.hammerzone.com/archives/flooring/tile/grout1/sanded.htm Applying grout to floor tiles] *http://www.onlinetips.org/grout-sealant Sealing tile grout] *http://therestorationresource.com/How_To_Clean_And_Seal_Ceramic_Tile_And_Grout_Yourself.html How To Article: Seal Tile & Grout] Category:Building materials Category:Cement Category:Concrete Category:Masonry bg:Фуга (строителство) de:Fuge (Bauwesen) es:Grout it:Boiacca nl:Grout ja:グラウト pl:Fuga (budownictwo)