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Cleaning the surface before pastingBefore using paper or masking tape, carefully wash and degrease the places where you plan to stick some masking material.

It is clear that masking materials will not stick to a dirty surface.

If a thorough washing was performed at the beginning of the whole repair process, and all the subsequent preparation operations were performed only by "dry" method, it is quite enough to remove dust with air blower and vacuum cleaner, and then degrease the surface.Otherwise, it is not unreasonable to take a brush and a detergent solution and thoroughly wash all places of attachment of masking materials. You should also remember to remove dirt from hidden cavities, openings and body elements, because dirt and grease from them during the painting process can get on the painted surface and cause various unpleasant defects on the fresh paintwork (bubbles, craters, etc.).?

Having a high pressure washer makes it much easier to clean hard to reach places.Washing also helps to reduce the static properties of the surface, and dust will be less likely to stick to the paint, which is also important.

After washing and drying, the masking materials should be well degreased. Surfaces can be degreased completely without degreasing, it can be done after masking.

Masking technologyIn the process of repair, you will have to mask at least twice - under the primer and under the paint.

The two types of pasting are not very different. In general, under-primer pasting is easier and you just need to tape the openings well and not bring the pasting line too close to the sprayed area.

If the tape is laid too close to the edge of the area to be painted, there may be a stepped transition from the primer to the existing paint, which even after sanding and painting will be very visible. Sometimes it doesn't matter when, for example, the boundary between the old and new coating will be hidden by a molding or decorative overlay.

In other cases, the ledge will be visible. Therefore, you should think about this point in advance and paste the border of the painted area so that the tape is slightly away from the transition zone of the new coating into the old one, so that the border of the spraying does not reach the masking line.

To create a smooth, step-free border, you can also use this technique: tape the paper down and then bend it as shown below. Similar techniques are often used in masking under transition painting, when we need to avoid a clear border of the transition between the new coating and the old one.

Masking AperturesApertures - this is one of those places, the quality of finishing which can be judged on the level of master who performed the repairs.Poorly painted apertures, every time they will be in the field of view of the driver or passengers will scream about the lack of professionalism of the painter who performed the painting.

Therefore, already at the stage of painting under the primer you need to properly glue the openings.

It is best to use the aforementioned sticky foam roller for this purpose. Such rollers allow not only to avoid clear paint boundaries, but also prevent overspray and paint from getting into the car interior.

The roller also prevents dust and other contaminants from blowing out of the openings onto the freshly painted paintwork.

After priming, the sticker is removed, the car is sanded for painting, dusted and degreased. Now you can proceed to the final pasting, a little more complicated than the primary primer.

The difficulty is that the pasting for painting must be done even more accurately and carefully.?

Otherwise, the principles and techniques are exactly the same as for the primer.As we remember, it is very important to properly glue the openings. When painting the existing and applied layers should merge together, so place the foam roller in the openings should be strictly in a certain place.?

The roller should be placed so that after closing the trunk or hood lid it is "sunk" by 3 mm.In cases where the opening is damaged or sanded deep inside, you need other methods. In such cases, painting is most often done in two steps - first the openings, then the exterior. This increases repair time, but allows for a great end result.
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