Back coating is a kind of high-molecular polymer emulsion material. It is compounded by using a variety of bonding materials to form a tile bonding system, which can greatly improve the tile's adhesive force, so as to avoid the problems of hollowing and falling off of tiles. So what is the difference between the back gluing how to use it with cement, tile adhesive is? Under together to find!
How to use back adhesive
1. When using back-coating glue , it is necessary to make the base surface smooth. If the wall surface has greasy or splashed mortar, it should be completely cleaned.
2. Just paint with a short hair roller before painting or on the old refurbished surface.
3. When pasting tiles, use a brown brush or a small roller to mix the back coat glue 2 hours in advance, and then apply it directly to the back of the tile about 2 mm from the edge. Do not wait for the surface to be dry, add one third of ordinary cement directly. Fine sand mixing mortar paste, can enhance the tile adhesive force, waterproof effect is better, effectively prevent emptying, shedding.
What is the difference between cement and tile adhesive?
1, cement paste:
Cement paste tiles are a relatively backward practice, and if the tile effect with high water absorption rate is also available, but for the paste of vitrified tiles and polished tiles, this low-water-absorption tile will have a big problem. , it is prone to tiles falling off. In addition, the thickness of the cement is too large, the paste is not firm, and empty drums easily occur. In the absence of a few years, the phenomenon of exfoliation due to the thermal expansion and contraction of ceramic tiles and cement occurs.
2, tile adhesive (tile glue):
Nowadays, tile adhesives have become an indispensable decoration material in home decoration and are widely used. Tile adhesives are cement-based adhesives made of polymers, etc. The advantages are as follows:
â— good water retention, not easy to produce empty drum;
â— Compared with cement, the bond strength is high, and it does not empty or fall off;
â— The use of tile adhesives reduces the building load-bearing capacity. Traditional cement is reduced from 11 to 18 KG to 4 to 5 KG, thereby reducing the building settlement and cracking.
â— Tile adhesive construction is very convenient, no need to dip brick wet wall, tile adhesive anti-sag effect and adhesion is very obvious.
3, back coating :
â— The adhesive-backed wall tiles are not limited by size. Generally, the tiles below 600*1200 can be used.
â— If it is a 600*1200 tile, besides applying a layer of back coat on the back of the tile, you also need to apply a layer of adhesive on the wall. In this case, the paste of the tile is very strong.
â— The characteristics of back gluing are green, low water absorption, good adhesiveness, and better effect than cement and tile adhesives.
How to use back glue, what is the difference between it and cement and tile adhesive is introduced into this, I wonder if it will help everyone! Back adhesive is now a very advantageous tile decoration material, if necessary Try it!
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