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Prevent Sags and Adjust Tip Size

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How Pros Paint Exteriors Flawlessly With an Airless Sprayer

What happens here

To minimize the risk of paint sags or runs, select a spray tip size appropriate for the paint consistency and the surface texture. For instance, a 515 tip was noted as effective for the shed's siding. Continuously monitor freshly sprayed areas for any signs of paint sagging. If a sag begins to form, immediately use a brush to gently smooth it out while the paint is still wet and pliable. Attempting to correct a sag after the paint has started to dry or 'coagulate' will result in noticeable brush marks, compromising the finish. Painting in direct sunlight can help paint dry faster, reducing the likelihood of sags, especially on cool or damp surfaces.

Goal: Use the appropriate tip size for the paint and surface to prevent sags and continually monitor wet paint, correcting any developing runs immediately with a brush.

Tools and materials

  • Brush
  • Paint
  • Paint Sprayer
  • Spray Tip (e.g
  • 515)

What they say

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Just like that. So, now that I I got the side sprayed, you know, I'll typically be spraying, you know, the whole thing. Anywhere where I've had like, you know, overlaps, if you're unfamiliar with the product, the sun's hitting the side, it's going to dry so fast, you would never get any runs. This is a cool side, little bit damp. these overlaps right here, you could get, you know, possibly a sag, you know, right there if you're using too big of a tip. I use a 515 tip, which helps eliminate some of that. It gives you the proper mill thickness. You're less likely to have runs and sags, but I'd keep an eye on that. If you needed to brush it, if it started to sag, you would just hit it with a brush sooner than later, cuz as it begins to dry and coagulate, if you hit it with a brush too late, you'll put a really big brush stroke on it. on the opposite side. I did it, but the sun's hitting that side. There's no way you're gonna get a sag on that side. This has got to dry before I do those shakes anyways. So, um I'm not concerned about it.

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