Those extractives can even bleed through many types of paint.
Do you use paint or stain on cedar siding.
8 tips for staining new cedar siding.
Two topcoats are always better over bare wood that has been primed.
Oil based coatings also will yellow and fade faster.
These may be applied to western red cedar by brush roller or pad.
Mold mildew algae etc prefer to grow on the surface of an oil based coating over a latex one.
Work in the shade.
Acrylic stain is far superior in all categories.
Use an oil based stain instead of latex.
After the primer has dried apply one or two topcoats of paint or solid color stain.
However in few cases for example on cedar siding there are many instances that you will always use stain instead of paint.
Factory applied finishes of this type are available in most market areas where cedar siding is sold.
Allow the washed surface to dry before recoating and apply primer paint to areas of bare wood.
When putting up brand new cedar siding it is recommended that your first stain be oil based alklyd.
Both stain and paint protect your siding from moisture and sunlight but they differ in how much protection they offer.
Semi transparent stains require more maintenance with an additional application in between keeping wood protected than does a solid stain paint lasting typically 5 7 years.
If you have intense sun on cedar wood siding you d be best served using a semi transparent stain not a paint.
The best way to prevent extractive bleed is to select a paint or stain that forms a seal over the cedar.
Cedar shingles contain extractives that bleed to the surface when the wood becomes wet and then darken as the wood dries.
First painting freshly milled cedar requires a paint stain unless a 100 acrylic exterior primer is used first thereby allowing a 100 solid acrylic paint to be used as final finish coats.
Apply stain to cedar siding before hanging.
Second biggest factor is moisture.
Staining cedar with a solid color stain solid color stains have solid particles but not nearly as many as paint.
There are two common types of finishing wood siding.
Anyway this doesn t matter much no painter would recommend using an oil based solid stain for cedar siding these days unless he was a total idiot.
What you get is a very uniform opaque color.
Thus solid color stains let some of the cedar s grain show through but none of the color.
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.
Therefore you need to apply perfect finishing coats on cedar siding.