Step 3 prime the wood.
Best primer for redwood siding.
Use an oil based primer instead of a latex primer.
I use benjamin moore freshstart for most exterior wood.
Kilz premium high hide stain blocking latex primer great interior and exterior anti mold and mildew option.
Tony i think the best primer for redwood is california troubleshooter california is the company name.
Cedar or redwood siding trim alkyd stain resistant primer acrylic stain resistant primer.
If the redwood is smooth side out then prepare the wood by sanding it.
The have a fast dry version that is better for sealing cedar or redwood.
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.
Alkyds and stain blocking acrylics bind the tannins and hold them in the primer.
Due to tannic acid it is important to apply a primer to the wood before painting.
The soft wood like some other woods is filled with tannins.
Once the redwood is clean it will better accept the primer base coat.
This makes it a really good choice for softwood surfaces.
Techniques for painting redwood siding.
Chalky wood siding 100 acrylic primer sealer alkyd wood primer.
Redwood is a beautiful increasingly rare type of soft wood used in siding.
Redwood siding is a particularly challenging material for painters.
For best results fresh siding should be pre primed on all six sides with a stain blocking primer and top coated with 100 percent acrylic latex paint.
It is rarely used today because of its high price tag.
When priming cedar or redwood use an alkyd primer or a stain blocking acrylic latex primer.
One way to care for redwood siding is to paint it.
An ordinary latex primer is fine for interior redwood surfaces which are not subject to harsh elements.
This means that most redwood siding is old and often in need of care.
Cabot s problem solver is another decent product but i don t really care for it.
An acrylic latex primer is appropriate for exterior redwood forced to endure varying temperatures.
This is a great water based option from kilz premium line of primers.
It will give you a super smooth surface to paint and like most water based primers it s great at filling imperfections in porous surfaces.
Cedar and redwood have water soluble tannins in their heartwood that when moist will leach out and bleed through the topcoats leaving dark ugly stains.
Alkyd oil primers are recommended but one may choose a high quality latex primer as long as it contains stain blockers.