Causes of Wall Putty Blistering and How to Fix it
1. What Causes Putty to Blister? 1.1 Applying on rough mortar substrate In this case, small, dense bubbles form and rise after the putty is applied. Deep indentations can be seen when these bubbles are pierced. This is because when the putty is applied to a cast-in-place concrete wall, dense air pockets may be present […]
