This post is a bit of a followup to a popular post on Cutting for Business: Why Does Paint Bleed when Using a Vinyl Stencil. I’ve had some readers read that post and email me stating that they are still experiencing bleeding – even after following my tips. Through a little detective work, I emailed several of those readers and found a common cause in every single case: they didn’t know how to properly sand the wood before painting or staining it. Today, let’s look at how to properly sand wood before making a wood sign with your Silhouette or Cricut cutting machine.
Before we start, let’s look at what you’ll need:
- A wood blank – Need tips to picking great wood? Head to this post.
- Sandpaper – You’ll need a couple of different grits of sandpaper. The grit refers to how coarse the paper is and is determined by the number of sand granules per square inch of paper. The lower the number, the coarser the paper; the higher the number, the more finer the sandpaper.
- A palm sander – I use (and love!) my DeWalt palm sander. You can buy it here, or read more about power tools in this blog post.
- Tack cloth – Tack cloth is used to clean up the particles of dust after sanding. Pick up a multi pack at this link.
- Safety goggles and a mask – Safety first! Protect your eyes, nose, and mouth from sawdust. Amazon has cheap goggles here and masks here.
How to Properly Sand Wood for Painted Wood Signs
- Determine which direction the grain runs on your wood blank. The grain simply refers to the pattern of the wood. You never want to sand against the grain.
- Starting with a medium coarseness sandpaper, sand in the direction of the wood grain until the surface is smooth to the touch. When making wood signs, I generally use 120 grit or 150 grit sandpaper. (The grit number is printed on the back of the sheet.) Be cautious to make sure that you apply even pressure. It doesn’t matter whether you are sanding by hand or using a palm sander.
- After your surface is smooth, sand it again with a higher grit sandpaper. This removes fine imperfections that you may not be able to see. For this step, I usually use 220 grit sandpaper. Again, be sure to use even pressure with your sandpaper or palm sander.
- When you’ve sanded the entire wood blank with your fine sandpaper, use a tack cloth to remove the dust. Keep the tack cloth folded. Use the exposed side to remove the dust from the wood blank. Once that side is full of dust, fold it over to a clean side, and so on. You should get many uses from a single tack cloth.
That’s it! Once the dust has been removed, your wood sign blank is ready for staining or painting.
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Why Does Paint Bleed When Using a Vinyl Stencil?
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Hi Christine! I have followed these steps you outlined above when sanding my pine select boards, however, I don’t have bleeding issues but when I remove the vinyl stencil the paint or stain pulls up like little wood splinters. Any thoughts as to why this happens?
Thanks!
Michelle
Hello! Have you tried a stencil film over a vinyl? They are less sticky than vinyl so they don’t pull up paint as easily. Here’s what I like: Oramask.
Yes! I have tried the Oramask stencil film, but didn’t notice any difference 🙁 Thanks so much for the suggestion. I will keep trying different things.
Good luck!
I find my Oramask stencil is great for less paint bleed but pulls up small, fine strips of wood which then pulls right through one of my painted letters, no matter how much I sand my board smooth with 220 grit. It’s very frustrating if I’m not going for the distressed look and have to do touch-ups all the time.
Any better luck? I’m curious to know what your drying time is before you apply the stencil? I’ve been making signs for a few years and have not had this happen until my first paint party last Sunday! 2 of 9 signs did this! I stained the Signs before the party. One had dried for days the other only 24hrs but still very dry to the touch, thanks to this cool breezy Florida weather! I applied all the stencils the night before and thought maybe this was why but the other 7 signs had no problems! (Next party I’m having them put their own stencils on-less work for me!) I’ve seen local paint parties do their staining or painting at the party and with oil based stain, applying a stencil 30min after staining-maybe this is helping to not pull up the wood as it has to still be a little oily to the touch? I just want to figure out it, it was awful having it happen to 2 guests, wondering why theirs signs are splintering! (I did the same sanding for all, no bleeding issues and the 9 signs came from the same 2 boards!)
I have this issue as well, even when I use a less tacky vinyl! eek!
Hello,
I’m hoping someone has shared a solution to the splintering issue we’ve all been having.
https://cuttingforbusiness.com/2017/12/11/wood-signs-how-to-prevent-your-vinyl-stencil-from-peeling-your-paint-up/
Good post!
Give some thought to upgrading your dust mask to something like this.
3M 6502QL Rugged Comfort Quick Latch Half Facepiece Reusable Respirator
The cost at Amazon is around eighteen dollars, the fit is much better than the disposable, and the exhaust keeps my glasses from fogging.
Also you can change the filters to match what you are doing.
Thanks for sharing!