Blending new mud over painted walls/ceiling

3/16/2017 at 11:14:13 PM

You can always use a lower grade prime the finished chalky before applying mud . The paint itself a a smooth or semi smooth finish will make a sheen look over your patch and the other idea is use a stain blocking primer which will give a more consistent colour before applying ceiling paint which I assume is. Flat white.

3/16/2017 at 11:46:03 PM

I think understand what you're saying. First, it sounds like the taping wasn't done right over the joint, causing it to show through the paint, that's either not enough mud on top, or not enough underneath. The "smooth spot" is generally because drywall paper is tackier than dried mud. Just do an extra coat or two of paint on that spot. Hope that helps you.

3/17/2017 at 12:16:00 AM

The paint is not the problem. First apply a skim coat of mud just barely heavy enough to cover the imperfections, make sure to go 1 inch wider than the problem area. Sand, then apply another coat (1 inch wider again) this time wipe it all off. This is called a tight skim, it will cover any air bubble from skimming over paint. Sand when dry with 220 grit. Use a 500 Watt light to identify ridges, and sand them out BEFORE painting.

3/17/2017 at 10:53:10 AM

Hello,

More mud is needed but you have to fan out from the joint at least a foot from each side if not more. Make sure there is tape on the joint first. You will need at least 2 light coats maybe three. That will repair the problem.

Good luck.

3/18/2017 at 8:05:45 AM

Prime the new patch with an oil based primer like kilz with a roller to create a texture on it. Get someone to hold up a light to shine across the ceiling so you get the texture looking right and you don't leave any streaks or globs.

3/22/2017 at 11:31:11 PM

First you have to sending the sealing end then apply the mud.