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Cementitious grout is an especially fluid form of concrete used to fill gaps. It is used in construction to embed rebars in masonry walls, connect sections of pre-cast concrete, fill voids, and seal joints such as those between tiles. Grout is generally a mixture of water, cement, sand, often color color, and sometimes fine (mix of little rocks) (if it is being used to fill large spaces such as the cores of concrete blocks). Unlike other (related to what holds something together and makes it strong) pastes such as plaster or joint compound, correctly-mixed and -applied grout forms a waterproof seal.
Although both are applied as a thick (mixture of two liquids) and harden over time, grout is (told apart from/separate than) its close relative mortar by its (measure of how fast a liquid pours); grout is thin so it flows easily into gaps, while mortar is thick enough to support not only its own weight, but also that of masonry placed on top of it.
Grout is a dense fluid is used to fill gaps or used as reinforcement in existing structures . Grout generally a mixture of water , cement , and sad and is employed in pressure grouting , embedding reber in masonry walls , connecting sections of precast concrete , filling voids , and sealing joints such as those between tiles . Common uses for grout in the household include filling in tiles of shower floors and kitchen tiles . It is often color sometimes fine gravel when being used to fill large spaces ( such as the cores of concrete blocks ) . Unlike other structural , correctly mixed and applied grout forms a water resistant seal .
although both grout and its close relative mortar are applied as a thick emulsion and harden over time , grout is distinguished by its low viscosity and lack of lime ( added to mortar for pliability ) ; grout is thin so it flows readily into gaps , while mortar is thick enough to support not only its own weight , but also that of masonry placed above it.
Grout varieties include tilling grout , flooring grout , resin grout , non-shrink grout , structural grout and thixotropic grout .
Tilling grout is often to fill , flooring grout , resin grout , non-shrink grout , structtural grout and thixotropic grout .
The sanded variety contains finely ground sillica sand , unsanded is finer and produces a non-gritty final surface . They are often enhanced with polymers and/or latex .
Structural grout is often in reinforced masonry to fill voids in masonry housing reinforcing steel , securing the steel in place and bonding it to the masonry . Non-shrink grout is used beneath metal bearing plates to ensure a consistent bearing surface between the plate and its substrate .
Portland cement is the most common comenting agent in grout , but thermoset polymer matrix grouts based o thermosets such as urethanes and epoxies are also polular .
Tools associated with groutwork include :
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 cleaner, an acidic or basic solution that is applied on grout lines and removes the surrounding dirt and debris.
Die grinder , an acidic or basic solution that is applied on grout lines and removes the surrounding dirt and debris .
Pointing trowel, used for applying grout in flagstone and other stone works.