However in most cases trim does not need replacement.
Primer for bare wood trim.
If you have wood that s stained or you re painting redwood or cedar use a stain blocking primer.
Wood primer bare wood is among the more difficult substrates for a paint topcoat to adhere to.
Places to use a high bonding exterior primer is any places you just filled.
Priming all bare wood caulking fillers sealing trim allowing primer to properly dry.
In the past there was no substitute for a good slow drying oil based primer on bare wood.
Use a stain blocking primer on stained wood bare wood with high tannin content that can bleed out e g cedar or redwood interior walls with water or smoke stains or.
Oil based primer really penetrates bare wood and protects much better than latex for this reason.
Any places you scraped off to bare wood.
Once primer has dried trim is ready repainting exterior trim looking brand new.
Oil based primers also sand smoother after drying than latex primers which can tend to gum up sandpaper.
Shellac based primer can be thought of as heavy duty stuff.
Zinsser b i n primer sealer great interior primer both for bare and painted wood zinsser is a brand that is a part of the rust oleum family of paints and primers.
Sherwin williams makes it easy to get the right primer for any surface you want to paint.
Another key step preparing trim for paint is priming.
It takes a long time to dry allowing plenty of time for it to soak into the wood and it sticks better than any other type of primer to wood.
For sealing up exterior wood from the weather that s great for covering plaster or drywall not as good maybe.
If your wood isn t stained use a high quality latex primer or an oil based primer.
Latex primer on the other hand dries more quickly but it may or may not provide the stain blocking power you need.
However applying primer is a necessary step to mask any existing stains hide an intense existing color or to seal newly installed drywall.
Sure you can paint bare wood with a high quality exterior paint but if you want it to last prime it first.
Ideal for covering just about any surface including wood plaster concrete glass tile and metal this primer is suitable for a wide range of different projects.