Painting over semigloss walls can take time since you can’t easily paint right on top of their surface. New paint does not adhere well to semigloss paint because semigloss is smooth and resists moisture. It does not have the proper texture for new paint to latch onto
但是如果在simigloss的旧漆上漆eggshell的油漆就不用上primer，是这样吗？
https://homeguides.sfgate.com/repaint-over-semigloss-29276.html
Painting over semigloss walls can take time since you can’t easily paint right on top of their surface. New paint does not adhere well to semigloss paint because semigloss is smooth and resists moisture. It does not have the proper texture for new paint to latch onto
墙上很少用亮漆刷
还不如不干。