![]() Sometimes just the mills from that primer will fill in enough to level that out. Now if it's just a very, very minor low, just one that is not very noticeable, you could consider just priming again and blocking it out and seeing if it blocks out in the next prime. ![]() And if I had to apply putty, you're probably gonna wanna prime and block one more time. Blow it off, and then you can apply your putty on there. It needs to be 180 or courser for that to adhere properly according to the technical data sheets. Let's say there's a small area you're gonna put that and be sure and sand by hand. So let's say there's a small area you're gonna have to put some glaze putty, glaze coat, different people call it different things. Most putties on their technical data sheets say that it should be over nothing no finer than 180. There's a lot of different brands but the glaze is designed to go over 2K Cure Primer if it's dried. You can put glaze putty on there like Metal Glaze. You've got it blocked out it, looks good, but you find that there's a low there. But, like I said, occasionally we're all gonna miss some things so what do we do? So you've got the Primer Surfacer on there. It's a different color so that if there's a low or scratch or whatever, that it stays in that low area and you can identify it really easy. And that's just something you spray on there. So, if you're not using Guide Coat, be sure and use some Guide Coat. It comes in two different methods and it just helps you identify any lows or things like that before you get to the priming stages. Spray some Guide Coat or put the Dry Guide Coat on there. I know a lot of people use it during priming, but go ahead and use it in body filler. Let me give you one hint to help you, and you may be doing this, but use a Guide Coat in your body filler stages. Either pin holes or lows or something that pops up after it's been primed on occasion. But let's face it, we all have some imperfections. Now before I get there, I am gonna mention that it's best to have all your body work done using glaze putty and all that before you prime where you don't have any lows. ![]() Now, there's some things you need to do before you do that. So, jpboston82 asks, " Do you ever fill low spots with filler or glaze putty?" And as always, I appreciate you guys asking this question, that's a great question, and the quick answer, the short answer is gonna be yes. What do you do with the lows after you find them after you've already primed and block it? I'm ona help answer that in this video. What do you do if you find a low after that? You've already done all your filling. And this question was about block sanding, after you block sand something. Been getting a lot of questions lately, so I'm on try to help answer some of those with these video responses. This is Donnie Smith and I'm back with another Q & A, answering your questions that you leave me on videos. If you have any problems viewing this video, then I have added the transcript to this video below. Please enable JavaScript to watch this video. ![]()
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