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Last updated: October 30, 2017

What Does Grout Mean?

This is a fluid-like substance used as concrete and adhesives in inexpensive DIY tile installations for domestic and commercial purposes. It is available in four forms: epoxy, acrylic latex, sanded and non-sanded. It is used in making tile repairs on walls and floors by simply filling voids and sealing joints, or replacing and installing new tiles. Thixotropic or anti-bleed grout is used in the construction industry to produce concrete structures when filling ducts in internal or external tendons while performing post-tension impregnation.

Grout may also be known as grouting.


Corrosionpedia Explains Grout

Grout is widely used in construction for locking walls and floor tiles tightly. It fills in the joints between tiles to bond them together, and prevents cracking and chipping of the edges of the tiles. This makes the walls and floors stronger. Grout is also used to fill voids and join segments of pre-cast concrete.

Although there are various types of grout, there are a number of properties that are common in every grout. Below are the main properties of grout:

  • Designed to have chemical and stain resistance
  • Can be lightweight, and easy to handle or clean, in order to maintain a beautiful and durable finish
  • Designed to withstand movements
  • Has enhanced color uniformity
  • Improved tendon protection

The efficiency of grout depends on its formulation, compatibility with the material, pre-packaging and ability to solve corrosion problems (current and future).

Poor-performance sand-cement grout, and high chloride or sulfate content, lead to premature corrosion and eventually the failure of pre-stressed strands in segmental bridges. In addition, the use of two dissimilar grouts will increase rapid corrosion on the strands.




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