Pre -selected carpet cards are laid on the black surface of the uped site along the layer of a cement solution 2 cm thick. After the solution hardens at a normal temperature (4-6 days), the paper is washed off and the surface is processed as. It is said above. Although the quality of the surface is quite satisfactory, the disadvantage of this method is the complexity and duration of the production process.
Seams of individual cards: what is it, features
