5 Causes Of Blistering Exterior Paint

Bubbling paint on your home’s exterior looks bad and can be a sign of underlying damage. Paint can bubble for a variety of reasons, and by learning about them, you can troubleshoot the problem and plan for a repair. 1. Heat Too much heat causes the surface of the paint to dry too quickly while the paint beneath is still wet, effectively locking the moisture vapor inside. The ideal time for exterior painting is a day with moderate temperatures, and one should avoid painting a wall when the sun is drying directly upon it.