The paint will begin to peel and the shingles may become stained and they will need to be repainted.
How to remove paint from cedar shake siding.
When the wood goes through a series of wet dry periods the paint and finish are stressed and the paint can crack.
Like most wooden shingles however especially when painted they require care and maintenance over the course of time.
Remove paint from cedar shingles but if your home is sided in traditional cedar shingles you re stuck doing it the old fashioned way.
Once the paint has been removed the siding can readily accept a semi transparent stain that will accentuate the cedar s natural color and prevent it from graying.
Cedar is a soft wood and the force of a power washer while it will take the paint off easily enough will also very likely damage the wood and drive moisture deep into it causing your future paint job to peel.
You re better off using a clear coat product or a transparent or opaque water based stain.
Cedar shakes are cedar shingles that naturally weather and are resistant to decay.