The new putty needs to set-up for a few days to become firm and form a skin. This may take several days depending on the temperature and humidity levels. When the putty is firm it can be primed with an oil-based or acrylic primer. Now the entire window can be painted with the finish coat.

Can I paint over window putty?

To be able to paint properly, the wood must be dry, and the glass and putty must be intact. … Press carefully with a knife between the putty and the wood – never towards the glass! Prime the window frame with oil and paint. Wait until the primer has dried before starting to apply the putty with a putty knife.

What kind of paint do you use on putty?

After having good finished walls with putty, you need to prime the wall by using high quality Wall Primer for your walls. After applying primer, you can either go with economical Distemper or you can go for Water Based Emulsion Paints which are available in various qualities with difference price point.