It’s important to note that a drywall knife is two-sided. If you look down the edge of the knife, you’ll see it is slightly curved. Use the inside of the curve to spread your mud, flip the knife over to smooth the mud. That way, when you smooth the mud the ends of the knife don’t drag and make lines.
Also, premixed mud is the way to go. You’re going to spend more time mixing up your mud than actually working if you get powdered 20 minute or other quick setting mud. You can only mix little bits at a time because even the 45 minute or 90 minute mud will dry up in your pan pretty quickly. Very annoying to constantly have to scrape your pan out, and if it’s not cleaned perfectly every time you’re going to get chunks in your mud. Use the green top to do your initial layers, then use a light weight (light green) for the top layer. Some people like the purple medium weight.
You can also mix your drywall mud with a little bit of dish soap. This is an old trick to keep bubbles out of your drywall mud. Seems kind of counterintuitive but many people swear by it
When you are pointing up, i.e. doing touch up at the end, it’s good to mix a little colored chalk from your chalk line if you have one, that way it stands out from the rest of the mud when it dries and you know where to sand. If you’re doing a lot of drywall work it’s worth buying some colored chalk. It’s like 2 bucks in the tool section next to chalk lines at Lowe’s/ HD
For my tape coat, I usually cover it up right away. People have different opinions about this, but a lot of people will tell you that putting a coat right over the wet tape coat keeps the tape from bubbling out. I usually do a tape coat with a four or 6 inch knife. The next coat I will use an 8 inch knife. 10 or 12 inch knife for the next coat if necessary on joints that don’t have a taper on the end of the sheet rock board. When you do your blocking over the tape coat in corners, do one side at a time. Wait for it to dry, then do the other side, otherwise you will keep messing up the other side. If done right it should require minimal sanding.
It’s important to note that a drywall knife is two-sided.
I notice some of mine were, that was helpful.
I have a spackle blender that goes in the drill and that keep it consistent. I found that extremely helps with keeping clumps out and bubbles out. Bubbles are one thing I normally just leave to fill in afterwards since it's super easy and dries quick.
Covering up the tape is one thing I think I'm going to do. I normally wet the tape then take most of the mud out, this ends up with it not being able to slide around anymore since there isn't much mud under it anymore. Only thing I'm worried about is when the mud dries maybe it will pull the tape off the wall since it all shrinks?
Thanks!
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