Brand new cedar wood and cedar siding freshly milled could have a moisture content too high accepting much of the product coatings your attempting to use.
How to paint new cedar siding.
What you get is a very uniform opaque color.
Choose a paint and primer.
Using a stiff bristled brush scrub the siding.
Gymschu gave you the consummate advice for painting new cedar siding.
Although there are a few acrylic primers on the market capable of blocking tannin bleed thru you really can t go wrong with the oil primer in it s stead.
Do not however use a power washer because cedar can t withstand the pressure.
Cedar siding painting will only be successful if you have a clean slate.
Step 4 let the cleaner sit on the cedar siding for 15 to 30 minutes.
First remove any mill glaze a hard shiny surface on one side of the siding by sanding.
If possible stain all sides of the siding before installation.
Apply one even thorough coat of water repellant preservative to the cedar siding with a paint brush or roller.
Make sure that you wait no more than 12 weeks.
Staining cedar siding differs from application of paint and other finishes.
The upside is that solid color stains will block most damaging ultraviolet light.
To refinish the old surface first scrape away all loose cracked or peeling finish.
When painting or staining new cedar.
With a porous material like cedar the main idea is to apply a greater quantity of paint to the wood and hand brushing is the best way to accomplish this.
With new cedar wood siding starting from scratch as in an artisan s canvas this surface area should be cleaned and dried.
Then apply 2 coats of quality acrylic finish and you re good to go for many years.
Staining cedar with a solid color stain.
Remove pollutants and remove failing paint.
Solid color stains have solid particles but not nearly as many as paint.
Thus solid color stains let some of the cedar s grain show through but none of the color.
Apply the wood cleaner to the cedar siding using a paint brush or roller.
Do not allow peeling paint to remain on the cedar siding before painting.
Do prime the exposed wood whether new or previously painted with oil primer.
Sand the bare wood and any remaining finish to feather the edges smooth with the bare wood.
Mildew must be killed and removed before western red cedar is refinished or the mildew will grow through the new paint coat or solid color stain.
Allow it to dry for the amount of time specified on the instruction label.
Choose the optimal window of time for painting cedar it is recommended that you paint within two weeks of installing the cedar.