Use an oil based primer instead of a latex primer.
Best primer for redwood siding.
Step 3 prime the wood.
The have a fast dry version that is better for sealing cedar or redwood.
Step 4 paint.
This means that most redwood siding is old and often in need of care.
Tony i think the best primer for redwood is california troubleshooter california is the company name.
An ordinary latex primer is fine for interior redwood surfaces which are not subject to harsh elements.
If the redwood is smooth side out then prepare the wood by sanding it.
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.
Alkyds and stain blocking acrylics bind the tannins and hold them in the primer.
Cabot s problem solver is another decent product but i don t really care for it.
Cedar or redwood siding trim alkyd stain resistant primer acrylic stain resistant primer.
When priming cedar or redwood use an alkyd primer or a stain blocking acrylic latex primer.
Then wipe it down to be sure any loose particles are removed and the wood surface is dust free.
Kilz premium high hide stain blocking latex primer great interior and exterior anti mold and mildew option.
This is a great water based option from kilz premium line of primers.
Pages and pages of tips tricks and step by step advice.
This makes it a really good choice for softwood surfaces.
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.
Redwood is a beautiful increasingly rare type of soft wood used in siding.
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.
I use benjamin moore freshstart for most exterior wood.
Chalky wood siding 100 acrylic primer sealer alkyd wood primer.
It is rarely used today because of its high price tag.
An acrylic latex primer is appropriate for exterior redwood forced to endure varying temperatures.
Redwood siding is a particularly challenging material for painters.
One way to care for redwood siding is to paint it.
Techniques for painting redwood siding.
The soft wood like some other woods is filled with tannins.
Once the redwood is clean it will better accept the primer base coat.