Bubbles On Wood Siding

To see them you have to be on an angle.

Bubbles on wood siding.

You don t say specifically whether just scraping off the bubbles reveals bare wood or whether the old paint stays intact until the painter sands it off. If your siding has been treated with linseed oil in the past prime and paint with oil based products. Bubbles caused from a loss of adhesion and lifting of the paint film from the underlying surface. Use a scraper to carefully open the paint bubble.

Heat problems will result in a visible layer of paint behind the bubble. Inspect the inside of the bubble. The best remedy is to scrape and repaint the siding during a warm dry period so the moisture can come out of the wood and prevent future bubbles from appearing. A moisture problem would result in unfinished wood behind the bubble.

Bubbles form as the result of a chemical reaction. I can see how with the direction of the sun the color of the siding and the reflection from the low e glass the siding could bubble up a bit. Then remove the clamp and wax paper and lightly sand and refinish the surface. Let the glue cure overnight.

This problem is far more common when paint is applied to a hot surface. What causes bubbles one of the primary causes of bubbles in any kind of finish is moisture in the wood. If scraping alone is enough the initial. In a large percentage of cases when we pop the bubbles we notice the bubbles open up right to the bare wood.

The bubbles were really subtle. Cover the repair with wax paper and a flat wood block then clamp the blister flat. Excess moisture on your painted walls whether from water droplets high humidity leaks or plumbing problems can cause water filled bubbles in the paint originating anywhere from the substrate. Essentially the top layer of paint dries forming a barrier that prevents the solvents from escaping easily.

If you re getting bubbles on your new deck it s probably because your new wood hasn t. Moisture blistering can be caused by the migration of water through an interior wall to the exterior thus pushing the paint off of the surface. Not very easy to see right away. The new paint has sealed the moisture in the wood and has bubbled up in the places where the moisture is trying to escape.