What do you apply wood filler with?

I’ve been working on this project for a while now, and I finally have the frame assembled. The only problem is that there are some gaps between the boards where I’m missing nails.

If I want to finish this project, I need to fill those gaps before staining! But what do you use to apply wood filler?

What do you put wood filler on with?

You can apply wood filler with a putty knife. A putty knife is a flat tool with a straight edge that’s used for smoothing and filling holes in walls, ceiling tiles, and other surfaces.

The best kind of putty knife to use for applying wood filler is one with either a curved blade or one with both straight and curved edges.

The curved side helps remove excess material while keeping the surface smooth after application.

How do I get a smooth finish with wood filler?

After the wood filler has dried, use a putty knife to smooth the surface. You may need to do this several times, depending on how well it is absorbed into your project.

You can also use a sanding block or steel wool pad to smooth out any uneven areas; however, if these don’t meet your needs for an even finish then you should file down any edges and corners before proceeding with filling in those areas. File only as much as necessary!

If you’re working with something small like furniture or something large like an entire wall (or both), consider using power tools instead of hand tools because they will save time and energy while producing superior results!

Should you sand before applying wood filler?

Wood filler is a great way to repair small dings and scratches in wood. But applying it can be tricky—especially if you don’t have any experience with the material.

Before we get into the details of how to use wood filler, let’s talk about one of the most important steps: sanding.

Sanding removes surface imperfections and prepares the surface for a smooth finish. It also helps remove any dust that might be on the surface, which would otherwise cause your filler to not stick properly or look streaky when dry. When you’re ready to apply filler, sanding will give you a smoother finish than if you didn’t do so first!

What’s the difference between wood putty and wood filler?

Wood putty and wood filler are both used to fill holes and cracks in wood. Wood putty is a softer product that’s ideal for filling small, shallow holes, while the wood filler is a harder product that’s better suited for larger holes and deep scratches. Both products can be painted over; however, wood putty should be sanded before painting to ensure even coverage.

Do I need to prime wood filler before painting?

Wood filler is paintable, but not all paints are wood filler friendly. You might be able to get away with using latex paint on the wood filler that was just applied, but priming before painting is always better. There are many reasons why priming is important:

  • It helps to prevent peeling and cracking in your painted surface.
  • It creates a smoother surface for the paint to adhere to.
  • It adds an extra layer between your bare wall (or other structure) and what will be painted over it (primer acts as an insulator).

Can you apply wood filler with a brush?

Yes, you can apply wood filler with a brush. In fact, using a brush is one of the best ways to apply wood filler in small areas or on curved surfaces.

The key to success is choosing the right type of brush for your project and applying it properly.

There are two main types of brushes used for wood filler: synthetic and natural bristle. Synthetic brushes are usually made out of nylon or polyester bristles, while natural bristle brushes are made from hog hair or boar hair (the same material used for shaving brushes).

Each type has its own set of benefits and drawbacks that should be considered before making your final decision about which one to use:

How long should wood filler dry before sanding?

Let’s assume that you’ve used a putty knife to apply wood filler to your project. After the initial application, you’ll need to wait for the filler to dry before sanding it.

The time required for this process depends on several factors: the amount of moisture in your wood, as well as its size or thickness; and whether you’re using oil-based or water-based filler (oil dries faster).

When applying oil-based fillers, wait at least 24 hours before sanding with 120 grit sandpaper; when using water-based fillers, wait 48 hours after application and then proceed with sanding with 220 grit paper.

Can you brush on wood filler?

Brushing on wood filler is a good option if you want to be able to control the amount of filler that’s applied, but it can be a bit difficult to get an even finish.

It’s better to use a putty knife or trowel for large areas, but for small areas like nail holes and other imperfections, brushing works well.


We hope this guide has helped you understand the basics of wood filler and how to use it. If you still have questions, our experts are just a call or chat away.

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Martin Flood

Martin Flood has been working in the construction industry for over 20 years as a general contractor with expertise in remodeling projects that are large or small. He has furthered his career by specializing in epoxy resin flooring, providing excellent service to both commercial and residential clients. Martin’s experience enables him to offer professional advice on how to choose the right type of project based on your needs and budget.

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