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Sand cement composes of Ordinary Portland Cement (OPC) and sand OPC is used for rendering and masonry, while sand is normally river sand, which is hard to control grain size, cleanliness and quality, and is an inconvenience to work with. OPC comes in the form of small bags and sand must be bought in huge quantities which extensively occupies storage areas.
What’s more, OPC sand must be relocated to another area for mixing and the process is dirty and dusty. Tiles need to be soaked in water for at least one day before being laid with sand cement and this is time consuming, time consuming and inefficiency. To lay tiles with sand cement the traditional way is to apply the mixture of sand cement in a lump on tiles back. It has to be done with one tile at a time, which is an aesthetic and debonding problem. Without additive to help in retaining water, a mixture of sand cement dries fast and then makes it difficult to adjust the tiles after being laid. This leads to an aesthetic problem of the line of tiles and also poor bonding strength which will be the reason for the bonded tiles later.
Laying tiles the traditional way by applying sand cement mixture in a lump of tiles back will create voids underneath the tiles and water can seep through. This creates a white stain problem. Moreover, the tile will be fragile in the area without any adhesive underneath. limitation of application. The poor bonding strength of sand cement mixture causes by dirt in the sand and uncertain proportion of the mixture. What’s more, low absorbing tiles—tiles with 60 by 60 centimeter or greater size glass mosaics on polished substrates—were subject to movement on the areas with high pressure and impact material wastage.
The thick layer of the sand cement mixture must be used to lay tile traditionally in the lump and or to adjust the floor level in order to gain its bonding mechanism. There will then be more loads on to the structure. Moreover, there will be material wastage since the mixture dries faster than the application of ready-to-use tile adhesive.
Tile adhesive is ready mixed and specially formulated from OPC-selected fine sand and additives to improve its essential properties for laying tiles. High-performance tile adhesive can be used to lay tiles on existing tiles on polished cement on wooden substrates with the use of primer or on other special substrates. It's very easy to use tile adhesive, as it will be already ready to use after just mixing with water. What’s more, it’s convenient for the transportation process providing low dust and clean working space.
Read More: Today Cement Price in Pakistan 2022
The tiles are not needed to be soaked, just unbox them and lay fast. Tiles are then continuously laid onto the notched adhesive and quickly adjusted into the lines. The zero-to-none setting time of tile adhesive allows tiles to be easily adjusted within a certain period of time. It makes tiles being laid in line and gives the aesthetic final look.
Applying tile adhesive with notch trowel provides full spread on the back of tiles and will reduce many problems like broken tiles, especially when water starts seeping and staining the corners. The full contact of the adhesive on tiles back and substrate provides strong bonding strength and long-lasting tiling work. There are a variety of work tile adhesives are formulated according to specific applications such as laying tiles glass mosaics, working with large size tile up from 60 by 60 centimeter, or even laying tiles on polished substrates. You can use these to amend existing tiles without removing them on external areas parking areas, industrial areas in swimming pools and many more.
Laying tiles by using tile adhesive with notch trowel requires less amount of material. The adhesive layer is a lot thinner than the mixture of sand cement and this leads to a lighter load to the building structure. A bag of 20 kilograms tile adhesive can be used to lay tiles on the average area of four to five square meters. A bag of 25 kilograms tile adhesive can be used to lay tiles on an average of six to seven square meters. Area coverage depends on substrate smoothness working tools and the skill of the tilers.
