The best way to prevent extractive bleed is to select a paint or stain that forms a seal over the cedar.
How to paint wood shingle siding.
Cedar shingles contain extractives that bleed to the surface when the wood becomes wet and then darken as the wood dries.
Allow the primer two hours to dry or as directed on the product s label.
Before sanding scrape loose and flaking paint from the siding.
Whether it is composed of wood or asphalt your shingle siding is ill suited for adhesion.
Use an acrylic latex paint.
Let the primer dry and apply a high quality acrylic latex house paint.
Before you paint condition the siding with a specific type of bonding primer or the final coating will ultimately flake and peel.
Apply an acrylic latex primer to the shingled siding using an airless sprayer.
Pound in any protruding nail heads.
Work a paint scraper from every direction keeping the blade flat against the wood so you don t create gouge marks.
If it reads 15 percent or less it s safe to repaint.
Apply primer and paint using a 4 inch brush apply an oil base stain blocking primer.
Cedar siding shingles provide beauty for any home but they must be properly coated to ensure a long life.
Those extractives can even bleed through many types of paint.
If you would like to paint shingle siding consider some critical points.
Step 5 spray on the first of two coats of an acrylic latex paint using an airless sprayer.