If new shingle siding no need to strip or try removing old paint not that you could do this 100 anyway priming painting is one of a solid type coating apt to blister bubble chip or peel.
Remove paint from cedar shingle siding.
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.
After years of being painted exposed to the elements and painted again the paint on cedar will begin to crack and peel.
Painted shingles look great for the first two to three coats of paint.
Cedar is commonly used for outdoor furniture roofing and for shingles on the outside of a home.
Semi transparent stains would never do this protecting much longer.
The good news about cedar shingle siding is its ability to resist rot and pests better than other woods but as a soft wood it mars easily.
If necessary use the wire brush to remove the paint and paste.
Remove paint from cedar shingles but if your home is sided in traditional cedar shingles you re stuck doing it the old fashioned way.
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.