Our interior plasterer has completed the lime plaster (Weber174). On almost all walls, the marks from the finishing trowel, in the form of grooves and scratches, are clearly visible. We understood that lime plaster does not have a perfectly smooth surface, but we had expected at least no visible tool marks. The contractor was contracted for a Q2 finish, and we always emphasized that we want to paint the plaster directly. The contractor repeatedly assured us that the painter would fill the grooves by using a lambswool roller. However, the painter has now said that this will not work with the planned silicate paint.
The plaster has already dried quite a lot, and we are now looking for advice on how to further treat the walls to eliminate these marks.
The plaster has already dried quite a lot, and we are now looking for advice on how to further treat the walls to eliminate these marks.
Is that just a single layer?
For comparison, here’s how our walls are plastered (lime plaster, two layers). The plasterer was instructed not to paint it initially. So the walls are basically left raw.
https://www.hausbau-forum.de/threads/haus-bilderthread-zeigt-her-eure-hausbilder.14011/page-741#post-327777
To be honest, there wasn’t really a clear agreement, just the instruction mentioned above. I guess we got lucky, considering the quality of some other surfaces I’ve seen. But our architect works closely with the plasterer and was able to effectively communicate our requirements…?!
For comparison, here’s how our walls are plastered (lime plaster, two layers). The plasterer was instructed not to paint it initially. So the walls are basically left raw.
https://www.hausbau-forum.de/threads/haus-bilderthread-zeigt-her-eure-hausbilder.14011/page-741#post-327777
To be honest, there wasn’t really a clear agreement, just the instruction mentioned above. I guess we got lucky, considering the quality of some other surfaces I’ve seen. But our architect works closely with the plasterer and was able to effectively communicate our requirements…?!
J
JohnBuilder22 Mar 2022 13:15The walls look great. That’s basically how we had imagined them. How was the second coat applied?
The second coat of felt plaster is applied thinly over the first coat. This ensures an even absorption behavior from the substrate and makes it much easier to float. Achieving this in a single coat is significantly more difficult. However, if a second coat is planned, the first coat is not floated. With a product like webercal 288, for example, it should also be possible to rework. It is applied only 2-3 mm (0.08-0.12 inches) onto the substrate, and if necessary, the substrate should be primed with a fixative beforehand.
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