Thinset (also called thinset mortar, thinset cement, dryset mortar, or drybond mortar) is an adhesive mortar made of cement, fine sand and a water-retaining agent such as an alkyl derivative of cellulose.[1] It is usually used to attach tile or stone to surfaces such as cement or concrete.[2] It is particularly popular among mosaicists for outdoor applications [3]

Thinset is generally available in two types: unmodified and modified (polymer-modified).[4][5] Modified thinset has been developed to enhance the strength of the bond in addition to improving working conditions of the material (i.e. working time, working temperature range, etc.).[6] It is usually more expensive than standard, unmodified thinset.

History

The history of thinset dates back to the post-World War II era when the tile industry sought more efficient methods for tile installation.[7] Before thinset, the standard method for installing tiles was the thick-set or mud-set method, which involved a thick layer of a sand and cement mixture.

The development of thinset revolutionized tile installation. It allowed for a much thinner layer of mortar, which not only reduced material costs and labor but also allowed for more precise and flatter tile installations.[8] The adhesive properties of thinset are enhanced by adding polymers to the mixture, which also increases its flexibility and strength.[9] This advancement made it possible to install tile over a variety of surfaces, including concrete, plywood, and backer board, as well as in areas with more environmental exposure, like bathrooms and kitchens.

Over the years, thinset has continued to evolve with the addition of various polymers to improve its performance. These improvements have made thinset an indispensable tool in tile installation, offering a reliable, durable, and versatile method for securing tiles in a wide array of settings.

See also

References

  1. ↑ "Mastic vs Thinset – Which should I use?". Tile Tools. Retrieved 14 June 2014.
  2. ↑ Donaldson, Barry (1988). "New stone technology, design, and construction for exterior wall systems". ASTM International. 996.
  3. ↑ "Thinset Mortar for Mosaic Artwork". Mosaic Art Supply. Retrieved 18 December 2014.
  4. ↑ "Tile Adhesives - Mastic vs Mortar". Contractors Direct.
  5. ↑ Elliot. "Modified or Unmodified Thinset: Which Is Better?". Rubi Blog. Retrieved 6 January 2024.
  6. ↑ Rothherg, Henry M (1996). "Historical Evolution of Ceramic Tile Adhesives and their Contribution to Expanding the Market for Ceramic Tile" (PDF). Qualicer 96. IV World Congress on Ceramic Tile Quality. General Conferences and Communications. Pt. 1. Castellon. 10 (13).
  7. ↑ Bridge, John. "Tile Setting History". Tile Your World. Retrieved 6 January 2024.
  8. ↑ "History of LATICRETE 4237 Latex Additive". Laticrete. Retrieved 6 January 2024.
  9. ↑ Roger. "Modified Thinset – A Brief History". The Floor Elf. Retrieved 6 January 2024.


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