Additionally, a high groundwater table or a leak from, for example, an underground pipe, will saturate the concrete and cause the pores to fill with water. It is caused by salts in the brick or concrete dissolving with water and then leaching to the surface as the water evaporates. If bubbling is present in your interior walls, the solution can be found in the original materials used to build their old homes. Liftoff the flaking paint and the bubbling plaster by utilizing a putty knife. Damp basements or walls where water has traveled from the interior to the exterior wall may result in the paint being pushed off the surface and bubbling. I have a problem with bubbling paint work on the ground floor of my house beneath a living room window and to either side underneath the window. Heat and moisture can also lead to bubbling. 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. If water is getting into your wall from rain, a sprinkler that's too close to your house, or even. The bubbling typically occurs around 6-12 inches above the skirting but also higher up, with clear 'lines' of damp stretching upwards in places. Occasionally these plastered walls, spackled and repainted during a renovation, show signs of bubbling. If you painted a wall in direct sunlight, then the wall may have been too warm for the paint to adhere properly. Heat blistering caused by painting in direct sunlight on a surface that is too warm.

How to Repair Paint Bubbles on Walls. The priming process blocks the residual contamination present on the wall surface. Demonstration how to repair bubbling paint on walls and ceilings.

Kung Fu Maintenance Shows Wall Texture Blend Fix Water Damage Bubbling Behind Paint Where There Is. After assessing the damage for rot or other damage to the drywall, which would require a bigger project, you start with the obvious: Clean The Area This is pretty much the first step for any traditional paint project, including repairing water damage on walls. Once the wall surface is cleaned and prepared, apply a coat of primer. Prime, paint and keep a close eye on it in case the damage returns. It's discouraging to look at a newly painted wall and see bubbles and blistering where the paint is not adhering. The wall is an outside wall, and I have concrete floors. Paint that has been applied atop new concrete hinders water evaporation during the curing process. Use a clean damp cloth to scrub away any dirt/dust, and then give the area time to dry. This is often caused by water damage to the exterior brick and mortar. A problem of painted masonry construction, efflorescence is identified by crusty white salt deposits bubbling through the paint film from an underlying masonry structure. Application of oil-based or alkyd paint over a damp or wet surface. Step 3: Seal the Water Damage Surface.