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Types of Grouts for Tile & Stone works

27 Dec 2019 by MAPEI

Tile grout used in most construction is typically cement-based. Proprietary Cementitious grout are made from a blend of cement, polymer, additive, pigment, fine-graded aggregates and mixed with water or fortified with a liquid latex additive (in replacement of water). Cementitious grouts are commonly used due to its characteristics that allow for easy filling and compacting into the tile and stone joints, and that it is pocket-friendly. 

While good cementitious grout has its benefits, the capillary pores in the grout mortar mean that dirt and other external elements could find their way into the grout and becomes trapped / embedded on the surface. This is where stains occur and sometimes mould and mildew could develop. Cementitious grout is generally not a waterproof barrier, though the addition of a liquid latex additive for the grout mix or a grout sealer can help to further improve its physical properties.

Epoxy grout, on the other hand, is made from epoxy based resins and filler. The components that made up epoxy grouts make it waterproof, and possess greater physical properties, such as chemical and stain resistance.

Though epoxy grouts cost much more than cementitious grout, they are durable and in the long run more cost efficient and value for quality.

Summary of Pros and Cons of each Grout type  

Types of Grouts for Tile & Stone works

Ideal environments for using Epoxy grout

Residential and Commercial environments (toilet floor, kitchen / pantry backsplash, food preparation areas) 

- Environments where hygiene is required (wine cellars, shops, breweries, Food industries, etc.)

- Industrial environments where high resistance to chemicals, acids and hydrocarbons and are required (e.g. Food industries)

- Swimming pools, in particular basins containing salt or thermal water

- Tanks containing aggressive chemicals (e.g. purification plants, etc.)

Founded in Milan in 1937, Mapei is today the world leader in the production of adhesives and chemical products for the building industry. We implemented our internationalisation strategy in the 1960’s and this has enabled us to be closer to the needs of regional markets and reduce transport costs to a minimum. The Group now has 89 subsidiaries with 83 production facilities in 36 different countries. We have always placed a lot of emphasis on research. In fact, we channel 5% of annual turnover into Research & Development and 70% of our research work is aimed at the development of eco-sustainable and eco-compatible products.An unrivalled offerOur products offer clients the most specific and most advanced solutions in the world of building. Users of Mapei products can see for themselves, day after day, how this choice leads to optimising work, maximum application yield and perfect results, under all conditions. We are not just a supplier; we are also a partner for all those who operate in this sector with a comprehensive range without rivals. Our name is synonymous with innovation and every year we create thousands of new formulations to meet all your needs. We supply more than 5,000 technologically advanced products worldwide that take into consideration the widest variety of requirements imaginable and, in so doing, we help improve the characteristics of buildings, from anti-seismic upgrading to the healthiness of our surroundings.Expertise in the construction sector born from on-site experienceThrough a constant exchange of ideas and experiences with clients and builders’ merchants, we use their input as a starting point to shape innovation and reformulate their suggestions in the form of new products to expand the range of lines and references. From the smallest to the largest sales points for ceramics and building materials, our quality is not limited to the product itself, but extends to the competence of the sales team, the passion of our retailersand the value of their advice. Our clients can also take advantage of our Technical Services Department and their constant, expert support, from the design phase right up to the execution phase, to guarantee an end result that will always live up to their expectations.


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