想要做成仿铜效果，玻璃钢雕塑结尾做底色很重要，需要配置色浆进行上色。做仿铜色需要先上铜的主色彩，也就是底色，如红铜，用暗红色或者褐色颜料刷底色，单是色彩不要太鲜艳建议用复色，调和之时不要调的太匀，这样不会显得死板。
In order to make a copper imitation effect, it is very important to make the bottom color at the end of FRP sculpture, which needs to be coloured with paste. Copper imitation needs to be done first with the main color of copper, that is, the background color, such as red copper, with dark red or brown pigments brush the background color, only the color should not be too bright, it is recommended to use duplicate color, not too uniform when blending, so it will not appear rigid.
而黄铜也是用黄褐色颜料做底色，青铜的变化多一些，可根据需要用黑色或者蓝色、黑绿色做底。
Brass is also made with yellow-brown pigments as the background color, bronze changes a little more, can be used according to the needs of black or blue, black-green background.