Bubbling occurs then gasses or liquids try to escape and get blocked by the new paint.
Cedar siding paint bubbles.
The house was last painted 15 years ago without any.
Plus often the new color is darker than the original causing the siding to heat up in the sun reactivating the old layers.
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.
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.
Cutting out the blisters priming and repainting solves the problems in those areas but then new bubbles pop up nearby.
The rooms behind the siding are bedrooms and a library office without any plumbing.
Here are the do s and don ts of painting cedar siding.
The paint that is bubbling is pulling all the underlying layers of paint right off the grooved cedar shingles.
The problem is many painting contractors do not approach painting cedar siding the right way.
Test results from the forest products testing lab run by the usda for the forest service show that after 12 weeks of exposure to sunlight cedar siding has lost half of its ability to hold a film forming coating system like primer and paint.
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.
Do remove all failing.
Blistering paint is identified by small to medium sized bubbles or blisters under the paint film.
Allowing fresh siding to weather for as little as two weeks negatively affects coating adhesion.
After four tries sometimes with and without repriming the result is the same.
Now that he s done we have noticed a progressively growing number of paint bubbles blisters.
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.
Cedar siding can be one of the most resilient beautiful materials that you can put on your home.