For those who should use silicone caulk to your undertaking, you possibly can try to color over it, however there isn’t any assure that it’ll work. Maybe the best choice is to strive utilizing silicone as the bottom layer of caulk. Then apply a paintable caulk layer excessive, because it ought to adhere to the silicone and never have an effect on its means to repel water and stay versatile.
You additionally may paint the colour first after which apply a clear caulk excessive. This may occasionally enable the colour to point out by, though it might not look nice afterward, particularly if the silicone is just too thick. Or use 80-, 100-, or 120-grit sandpaper over the silicone’s floor to tough it up a bit. You then have a greater probability of getting paint follow it. Some execs advocate wiping down the caulk with denatured alcohol earlier than or after you sand it. This additionally makes the floor rougher, encouraging adherence of the paint. It is attainable that you can discover a sort of silicone that has a shade that matches what you’d need to use within the room, however that is extraordinarily troublesome. White and clear are by far the most typical shade choices out there.
In the end, as a result of there are such a lot of different kinds of caulk which can be simply paintable whereas delivering comparable versatile and waterproof properties, you could merely need to select a fabric aside from silicone to your undertaking.