Cracked or peeling paint can occur on cedar siding for a number of reasons according to william feist of the western red cedar lumber association.
Remove paint from shingle siding.
Continue scraping as far to either side as you can safely.
When the wood goes through a series of wet dry periods the paint and finish are stressed and the paint can crack.
So pressure washing is fine for cedar shingles for the loose stuff.
Use the cloth to apply a small amount of the mineral spirits over the stain and leave to sit for a few minutes use the brush to scrub the stain off the surface until you notice an improvement in the appearance repeat the process as many times as it takes to get the stain off.
Wet a rag with paint stripper or paint remover and blot the surface of the paint with the rag.
But beyond that you ve got to scrape and sand.
Work your scraper from the top of each shingle toward the bottom in steady even strokes with the grain of the.
The problem with machine paint shavers is that they dig into the original texture of the shingles.
As much work as it is use of a sharp pull scraper usually gives the best results short of chemical stripping.
Use enough to completely wet the surface.
I suggest thinning it with 1 part thinner to 10 parts water and scrubbing on the stain only after testing a small inconspicuous area.
The only solution in that case is to remove the paint to get down to the originally natural wood.
Do not scrub with the rag because that will damage the shingle.
How to remove paint from cedar shingles step 1.
Set up your ladder at the highest point on the exterior wall.