Acrylic smoothing - step by step

Acrylic smoothing - step by step


Acrylic grout can be smoothed in a similar way to silicone compounds. They hardly differ in processing.

1. Differences between acrylic and silicone

Before it comes to processing and smoothing, it is important to know the area of ​​application. Acrylic grout is less elastic than silicone and does not repel water. The material remains slightly porous and can be painted over. The mass is therefore not suitable for the wet area. The processing of acrylic and silicone is identical.

2. Masking the edges

So that the grout does not cover the adjacent area next to the joints, it is advisable to stick on the painter's crepe. This saves a lot of cleaning work. Acrylic is easier to wipe off than the mass of silicone joints because it does not stick. Nevertheless, it is easier to mask than to wipe.

3. Preparing the tool

The trade offers the sealants in cartridges. For these special presses are required, which squeeze the material through a spout. These spouts are closed at the front, the craftsman cuts them only shortly before use. It is important to cut the spout accurately. Their opening should correspond to the joint width.

Furthermore, a special joint puller must be available. These have different corners to peel off the sprayed mass. It makes sense to choose a suitable corner before starting work.

4. Evenly squirt out the joint

Now it all depends on the technology. It is necessary to pull the spout slowly over the joint while pressing on the handle of the cartridge. It should emerge from the spout a sausage, which lays evenly over the joint. Pressure and speed must match. The mass must neither stretch nor jam in places. It is important to fill the complete joint length in one go.

5. Removing the spray

Now the puller is used. With him a trained craftsman pulls in a train from the beginning to the end of the joint through the sprayed acrylic sausage. This process facilitates the later smooth drawing of the mass. One part of this presses on the painter's crepe, which has now fulfilled its purpose.

Important: When removing the creping, no grout should hit the wall.

6. Final smoothing of the joints

Now, use as a smoothing agent a cup of room-warm water to which a tablespoon of detergent has been added. The mixture is placed in a spray bottle to thinly spray on the grout. This should not be exposed to air for more than 30 minutes. The smooth drawing takes place with the finger, with which one strokes once over the joint. After about 24 hours, the mass is cured and paintable.



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