To fix air bubbles in drywall mud, you will need to apply three coats of drywall mud. The first coat should be applied and immediately skimmed very firm and tightly to create a base. The second coat will fill and hide your joint. The third coat will ensure no bubbles can rise to the surface.
How to Fix Bubbling Drywall?
Bubbling drywall is a common issue that can be caused by a variety of factors, including moisture, poor installation, and poor adhesion. Fixing bubbling drywall can be a tricky process, and it can be difficult to know where to start. But with a few simple steps, you can get your drywall back to looking good as new.
Step 1: Locate the Source of the Problem
The first step to fixing bubbling drywall is to determine what is causing the issue. The most common cause of bubbling drywall is moisture, either from a leaky pipe or from excess humidity in the air. To determine the source of the moisture, you may need to inspect the area around the drywall, looking for any visible signs of dampness or water damage.
Step 2: Remove Old Drywall
Once you’ve determined the source of the bubbling drywall, you’ll need to remove the old drywall. To do this, use a utility knife to score the drywall, and then carefully pry it away from the wall. Be sure to wear safety goggles and a dust mask to protect yourself from any debris that may come loose.