The majority of the siding is western red cedar and because these homes are 50 years old the siding is from old growth.
Cedar siding paint bubbles.
If you do it right painting cedar siding can last for a long time.
Sanding priming and repainting as bubbles appear or strip off all the paint that s bubbling and start.
Paint was applied in direct sunlight on a hot surface which trapped solvent vapor as the paint dried too quickly.
The house was last painted 15 years ago without any.
After four tries sometimes with and without repriming the result is the same.
The took off all of the paint layers down to the primer over the cedar siding.
It is most commonly seen on wood siding and trim.
Bubbling occurs then gasses or liquids try to escape and get blocked by the new paint.
The rooms behind the siding are bedrooms and a library office without any plumbing.
The problem is many painting contractors do not approach painting cedar siding the right way.
Cutting out the blisters priming and repainting solves the problems in those areas but then new bubbles pop up nearby.
Do remove all failing.
Here are the do s and don ts of painting cedar siding.
Allowing fresh siding to weather for as little as two weeks negatively affects coating adhesion.
Plus often the new color is darker than the original causing the siding to heat up in the sun reactivating the old layers.
Paint versus stain on cedar siding.
These are mainly on the west side of the house but all sides now have at least a few.
I mostly do restorative exteriors which is the complete removal of paint from the siding sand oil prime and two top coats of latex 100 acyrlic.
Blistering paint is identified by small to medium sized bubbles or blisters under the paint film.
The old paint s is allowing the gasses out but the new paint is too stretchy and impermeable to these gasses.
Cedar siding can be one of the most resilient beautiful materials that you can put on your home.