how to sand glass edge

how to sand glass edge

If you’re looking for a smooth, polished edge on your glass project, sanding is the way to go. But it’s not as simple as just running a piece of sandpaper along the edge. Here’s a step-by-step guide to getting a perfect finish.


One of the most important aspects of glasswork is getting a smooth, even edge on your glass. This can be achieved in a variety of ways, but sanding is one of the most common methods. Sanding is also one of the easiest ways to get a professional-looking finish on your glass project.

There are a few things to keep in mind when sanding glass:

-Use a medium to fine grit sandpaper. Coarser grits will leave scratches, while finer grits will produce a smoother finish.

-Work slowly and evenly to avoid creating uneven spots.
-Be sure to use a dust mask to avoid inhaling any glass particles.

With these tips in mind, sanding your glass should be a breeze!

What You Will Need

-A glass door or window -200-grit sandpaper -Sanding block -300-grit sandpaper -Wood putty knife or similar tool -Clear silicone sealant (optional)


Whether you’re looking to create a smooth, safe edge on a piece of glass or simply want to give it a more finished look, sanding is the best way to go. With the right tools and a little know-how, you can get professional-looking results without having to hire a professional.

Before you begin, it’s important to choose the right type of sandpaper for your project. For most glass sanding projects, you’ll want to use silicon carbide paper. This type of sandpaper is specifically designed for sanding glass and will give you the best results.

Once you’ve chosen your sandpaper, it’s time to get started. Here’s what you need to do:

  1. Begin by cleaning the glass surface with soap and water. This will remove any dirt or debris that could come between the sandpaper and the glass and cause scratches.
  2. Next, wet the surface of the glass with a little bit of water. This will help keep the dust down while you’re sanding.
  3. Place your silicon carbide paper on a flat surface like a table or countertop. If you’re using a power sander, make sure to use one that has a soft backing pad; if not, you could damage the glass. Start with coarse sandpaper (60-grit) and move up to finer grits (100-grit or higher) as needed.
  4. Sand the glass in long strokes in one direction only; do not back-and-forth! If you’re using a hand sander, apply even pressure as you go; if using an electric sander, let the machine do most of the work for you.
  5. Continue until you’ve achieved the desired results. Remember, it’s always better to err on the side of caution when sanding glass; if you go too far, there’s no going back!
  6. When you’re finished, clean off any remaining dust with soap and water and dry thoroughly before moving on to the next step in your project

Sanding is the process of smoothing down rough surfaces by rubbing them with an abrasive material. Sandpaper is the most common type of abrasive, but there are also other materials that can be used, such as steel wool, copper wire or even glass beads.

When sanding glass, you will need to use a finer grade of abrasive than you would for other materials, as the glass is very delicate and can easily be scratched. Start with a coarse grit sandpaper and work your way down to a fine grit to get a smooth finish.

You can use sandpaper by hand or with a power sander, but if you are working with a large surface area, it will be quicker to use a power sander. Be sure to go slowly and evenly over the surface to avoid creating any scratches or unevenness.


After the final sanding is complete, it’s time to finish the edge. A good way to finish the edge is by using a product called “liquid sunshine” (LS). LS is available at auto glass supply companies and some glass shops. It comes in a small bottle and is applied with a cotton ball. It will give the edge a nice, bright shine and will also help to seal it from dirt and moisture.

Another way to finish the edge is by using a product called “Glastar.” Glastar is a clear liquid that you apply with a brush. It dries quickly and gives the edge a bright, shiny finish. Glastar can be found at most glass supply companies and some hardware stores.

Once you have chosen your preferred method of finishing, simply follow the instructions on the product.

Tips and Tricks

Here are some tips and tricks for sanding glass edges:

-Wet the glass before sanding to prevent dust from flying around.
-Use a hard, firm strokes when sanding.
-Do not press too hard on the glass or you will create gouges.
-Sand in one direction only. Do not back and forth as this will create scratches.
-Use a medium grit sandpaper to start with. If the edges are not smooth after this, you can move up to a finer grit.


How do I sand glass edges?

For most applications, you will want to use a fine-grit sandpaper, such as 600-grit. Wet the paper and sand in a circular motion until the desired results are achieved. If you are working with a Mirror, be extra careful not to scratch the surface.

Can I use sandpaper on glass?

Yes! Just make sure to use a wet/dry sandpaper so that you do not damage the glass. Start with a low grit, such as 200, and work your way up to finer grits until you achieve the desired results.


After you finish sanding, you’ll want to clean the glass thoroughly. Any contaminants on the surface will be highlighted once the glass is heated. To clean the glass, use a lint-free cloth and a glass cleaner or rubbing alcohol.

Once the glass is clean, you’re ready to heat it. The most important part of this step is to move the flame slowly and evenly along the edge of the glass. If you move too slowly, you risk overheating and cracking the glass. If you move too quickly, you won’t superheat the silica and it won’t fuse to itself.

heating process will take about 30 seconds to 1 minute per inch (2.5 cm) of glass. Once you’re finished heating the entire edge, apply pressure to both sides of the join line. This will help fuse the silica together and create a strong bond.

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