Those extractives can even bleed through many types of paint.
Painting over stained cedar siding.
First important item to consider is moisture.
How to paint over non oil based stain on cedar siding preparation.
Cedar shingles contain extractives that bleed to the surface when the wood becomes wet and then darken as the wood dries.
These may be applied to western red cedar by brush roller or pad.
Cedar contains extractives that can discolor paint so it is necessary to prime the siding prior to painting it.
Lighter colors last longer since they reflect light more efficiently than darker colors.
Solid body stain or semi transparent.
The house is 18 years old and has been stained twice previously with olympic latex stain.
First clean the stained surface with soapy water to remove any dust dirt and cobwebs.
The best way to prevent extractive bleed is to select a paint or stain that forms a seal over the cedar.
Brush application is usually the best.
The most important part to painting cedar siding is preparation.
Test cedar if you can paint over stained cedar apply water on cedar wood surface if water soaks in good chance you can paint over stain.
According to paul mackie at the western red cedar lumber association wrcla red cedar siding that has been finished on all six sides with a stain blocking primer and top coated with 100 percent exterior acrylic latex paint has the longest expected service life of any coating system.
Moisture is the main.
You have a real important decision to make and once made it is not impossible.
I am looking at what could be an easy job.
Single story ranch with cedar bevel siding with cedar trim vinyl windows.
Then follow these general preparatory steps for painting over stain.
Paint s solids ward off light and light is the main contributor to the deterioration of cedar.
The chaulking and siding is in good shape however in some like north exposure areas siding has green like algae or on surface.
After the primer has dried apply one or two topcoats of paint or solid color stain.
Purchase primer in a light color preferably white or light gray for the best under surface color for painting a light colored top coat or have your primer custom mixed to match the paint if you.
7 tips painting or staining cedar wood siding first item before painting or staining cedar.
Factory applied finishes of this type are available in most market areas where cedar siding is sold.
Next to dull the stain lightly sand the surface with 150 grit or finer sandpaper moving in the direction of the grain.
Two topcoats are always better over bare wood that has been primed.
Then dip a rang.