Perfect seam without tape in 1 hour.
Problem areas of plasterboard walls are the joints of sheets and corners. How to make seams on plasterboard that will not crack. I think everyone knows that serpyanka tape is not particularly suitable for these purposes. Paper tapes are also used, but today you can get an excellent seam without it. This can be done with the shrink-free putty unishov from Volm without unnecessary fuss. It allows you to get seams in just an hour that will not crack or shrink
Mix the mixture with water, let it sit for 5 minutes and mix again. The solution's life is 40 minutes, which is enough for even a beginner to produce a large volume of the mixture. The solution is applied to the seams in two steps. The first layer with a margin, wait 30 minutes and remove the excess. Now wait another half an hour and apply the second finishing layer.
After drying, we get a perfectly flat surface that does not shrink or crack.