Just look at the same trim after one coat of the primer and zero scraping or sanding.
Best thing to use on peeling wood siding.
Simply use a stiff bristle non metallic brush to remove all surface dirt dust and loose wood fibers.
Fill any dents and holes with either a wood or epoxy filler.
The best filler for your siding is a two part epoxy product that cures to a rock hard consistency.
As long as the remaining edges of the peeling area are stable this solution will work.
Peeling paint is rarely caused by bad paint.
The second coat of penetrating stain often lasts longer than the first coat because more can be applied as it penetrates into small surface checks.
Latex paints are the industry standard for most exterior house painting and they continue to improve.
Long term testing has shown that 100 percent acrylic latex lasts longest.
When peeling or chipping paint is found in a small area you may be able to simply brush off the peeling paint then prime the wall and paint over it.
Pull out loose nails and renail using stainless steel siding nails.
Honestly this stuff is incredible.
Be sure to remove any caulk where the siding overlaps as old houses need to breathe.
Following proper cleaning to kill mildew contamination apply a new coat of stain.