How to make an oak wood panel look thicker

the oak wood panel appears to be thicker and looks much better

In this article I will explain how you can improve the appearance of a simple oak panel that is available in almost any big store. The panels consist of short thin strips of oak wood, glued together to form a panel. They are not, in my opinion, the best looking panels, but they definitely look better than a simple melamine board.

this is the oak wood panel bought from the DIY store, made out of finger joint narrow oak wood planks — The look of the oak wood panel bought from a DIY store

Even though I like the panels made of whole boards, a friend of mine asked me to upgrade these 18 mm thick panels that he bought from the store: he wanted them to look thicker. I usually use the method in which I cut strips from each end, and then glue them underneath, mirroring them to match the end grain pattern. I used this method for the concrete and wood coffee table that I did a few years ago.

another attempt to thicken the edges of an ash wood tabletop made out of continuous lamellas — The look of an ash panel made to look thicker by mirroring the ends

This time I was asked to make the panel look thicker, by gluing 45 degrees strips to the ends. Obviously, this would change the final look entirely.

The first step was to choose some boards for the long edges of the panel. I straightened them on all their faces and made a few passes through the thickness planer until they were 22 mm by 20 mm in size. I left them slightly longer, to make sure there was enough room to make the cuts. I used polyurethane to glue them on the long edges of the panels. I used plenty of clamps, to make sure the two pieces were tightly pressed together. I sometimes choose to glue the strip on the side of the panel (in this case the strip should be wider), but for this job I chose to glue strips underneath the panel (since the panels were already cut to their final width). Once the glue dried, I planed the edges to make the glue line look seamless and cut the excess at the ends.

I glued 18 mm thickness oak wood planks on the two long edges of the oak wood panel — After the adhesive hardened, the sides of the panel have been cut to size

the first cut piece will be glued after the second cut of the edges of the oak wood countertop — The first piece will be glued to the edge of the panel

I then cut a strip from one end of the panel, strip that I was going to use as edge when thickening the panel. The length of this strip should be equal to the final thickness of the panel. I used a sliding miter saw for this job, but it can easily be done using a handheld circular saw (with the blade tilted at 45 degrees) and a straight edge as a guide to have a perfectly straight cut.

the two necessary pieces for thickening the edges of the oak wood finger joint countertop — The cut ends will be glued to the short edges of the panel

I verified the piece cut at 45 degrees angle from the oak wood countertop, bought from the DIY store — The first short edge matching the panel

I then did another cut, still 45 degrees tilted, but the other way compared to the first one. I was now able to fit the strips that I first cut from the ends of the panels. This is the way the back of the panel looks, after making all the necessary cuts.

this is how the oak wood finger joint panel looks like, after the second cut of its edges — The look of the back of the panel after the second cut at 45 degrees

I then glued both ends to the panel. This was a little trickier, since, in order to tighten it well, I had to use a combination of clamps and screws. if i wouldn’t have used screws, the strips could have slid away since they were cut at 45 degrees. I also predrilled the holes for the screws, because there was an increased risk to break the small strips.

we used a lot of different types of clamps to glue the edges cut at a 45 degree angle — A lot of clamps are used for tightening the glued edges cut at 45 degrees

After the glue dried, I moved on to finishing the panel. I started with 50 grit sandpaper (to straighten the joint line of the edges to the panel. I then filled all the holes and small cracks using wood putty. Finally, I sanded the whole panel again using 120 grit sandpaper.

all the knots and the little imperfections of the finger joint oak wood panel were filled with wood putty — I sanded the surface, the rounded edges and the small wood cracks after filling them with wood putty

The final step was to seal it with polyurethane primer and scratch resistant lacquer. Of course, I didn’t skip the light sanding between layers, in order to obtain a smooth finish.

we sanded the oak wood countertop with grit 320 sandpaper, after the polyurethane primer has dried — I sanded the panel with 320 grit sand paper after the polyurethane primer was dry

although we do not like so much the finger joint wood countertops, the client preferred this type of oak wood countertop over the one made out of continuous lamellas — The scratch resistant polyurethane lacquer before drying

April 11, 2021

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