???? US joint agent construction should pay attention to what the problem? Where can sew using US agents, where agents do not use US sew? I tell you a few tips. ? ????? 1, tile construction joints US agents do something with a sharp jab, acid and alkali substances can not be met, otherwise it will destroy the US joint agent. ????? 2, hollowing seam where the US can not be used. Because tile hollowing, who stepped on it will be deformed beyond the scope of the US joint agent Rally suffered, over time the US joint agent hollowing place will fall off. ????? 3, the US joint agent best construction time. US general construction joints agent before entering the furniture, so do not move back and forth with, not because of the construction joint agent for the United States to bring destruction, the US joint agent construction requirements are relatively high, the construction of tile gap can not have dust, water, oil and other impurities This will affect the use of the US joint agent effect. ????? 4, US agents need caulking seam bottom, the formation of the US joint agent made out better. ???? 5, the US joint agent is quick-drying, where Tony US seam sealant agent is not the same with the ordinary, US agents once construction joints up to 50cm with a wet sponge to erase the overflow of the US joint agent, or James will not get down to the edge of the tile, to the time it will even hang up a small amount of residual, a step on their feet will be black, not only failed to achieve the effect of the US joint agent will only be worse than the original.