Trim Corners and Mask Window Interior with Paper

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Masking Windows Fast. How to use a painters hand masker. How to mask windows.

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What happens here

After applying the FrogTape border, use a sharp knife to carefully cut the overlapping tape at each of the four corners. This creates perfectly square and neat corners. Once the corners are trimmed, use the hand masker to dispense a section of 9-inch masking paper. This paper, typically dispensed with a strip of 1-inch tape (often the 3M 2020 tape) attached to one edge, should be placed over the exposed glass within the FrogTape border. Press the attached tape edge firmly to the FrogTape. Then, use additional pieces of 3M 2020 1-inch masking tape to secure the remaining three edges of the masking paper to the FrogTape, fully covering the glass. Repeat this entire process (taping border, trimming, applying paper) for any additional window panes.

Goal: Completely cover the window glass, including trimming for neat corners, and sealing the masking paper.

Tools and materials

3M 2020 1-inch Masking Tape 3M — Securing the masking paper to the FrogTape border and sealing edges
9-inch Masking Paper — Covering the large surface area of the window glass
FrogTape FrogTape — The underlying border tape that the paper and 3M tape adhere to
Hand Masker — Dispensing masking paper with attached tape for the main glass area
Sharp Knife — Precisely cutting the overlapping FrogTape at the corners

What they say

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you get it set on there on the glass, just like that. Now, you're just going to take cut your excess pieces off so you have nice square corners. This is why you need a really sharp knife. And then I just put my excess pieces right on the glass. Just like that. Then you're just going to want to push it down really quick. Make sure it's on the glass. Then I just take my hand masker, fill it in. Take my other roll of tape, the 3M. This tape is a lot cheaper, so I don't fill it in with the frog tape. If I just use 3M 3M 20 21 in tape to fill it in just like that. Now your windows masked off and you're ready to go off onto the next pane. And what I what I do is I actually do two panes at a time and then move on. And I'll show you one more time how we go about masking it. Again, I usually this I got to be on a ladder to actually get to these two panes, but I'll work two panes at a time. So, I'm going take extend the tape beyond both edges. Make sure you got some nice straight lines with your tape. If you need to extend all four corners beyond, you can extend all four corners cuz you can trim them all of them really fast. I'm going to trim all my corners now. You work two windows at a time. It's a lot faster than working one window at a time. Fill it in with my 3M 2020 tape. It's cheaper. Frog tape's about $5 a roll. The 3M 2020 tape's about a dollar a roll. So, it'll save you a lot of money. You don't fill it in with a frog tape. Just like that. You can see how fast I mass those two windows. And if you have a French door that has eight little pane windows on it, you can see how quickly you can mask. Um, that's a fast fast easy method of masking windows using frog tape and using 3M 20 2020 tape, 1in tape with 9 in paper. I'm going to show you real quickly again how we go about masking these windows. Going to take put my tape on, extend it both edges over about an inch. The next run, this one doesn't actually extend over. The bottom one will extend over. And doing that to try to save some tape and have less cuts will make it go a lot faster. The less cuts you have, the quicker it's going to be masking your windows. That way I stick the tape on the window. Instead of having little bits and pieces of tape you throw on the ground, you can stick it someplace on the window to fill in the window. Just like that. Show you one more time. Got my two windows done. Now I'm going to fill them in. Once again, I'm using one inch 2020 tape because it's cheaper to fill it in.…

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