How to build an Archway

Build an archway - a simple one - an archway for the inside of your home, to perhaps accent a hallway or other opening.

Wide Archway

You can create a simple non-structural arch shape using either of two methods.  The first is to create an elliptical arch using the arch calculator

Build an archway using the results from the Arch Calculator

Once you have calculated the location of the focus points using the arch calculator, you now have what you need to lay out your arch.  Perform the following steps, using the Arch Diagram below for reference:

Building an Archway
Arch Diagram

The second method, is to make something that you can bend to the shape of an arch to use as a template.  To do this, rip a 1/4 inch wide strip of wood off of a piece of 3/4 inch thick lumber, the same length or longer than the horizontal span of the arch you are creating. 

Pick out a piece of scrap board that you probably won't use for any other purpose to create the template.  The goal is to create an arch template that is thin enough to bend without breaking, as well as, thick enough to bend without breaking.

Small Archway
[A]  Small Archway

The 1/4 inch material has just enough bend in it to make a nice smooth arch shape (you may need to make it a little thinner or a little thicker, depending on the flexibility of the species of wood you are using). 

Place it on the board (particle board is what is shown in the diagrams), bend it to the desired shape, and mark the outline with a pencil and use a jigsaw to cut it.  Once the first arch is created, use it for a template to create the other parallel part of the arch (see figure [A]). 

You can use 2x4's to attach the two pieces together as shown in all of the diagrams on this page.  (Figures [A and B])  These 2x4s provide structure for the arch and serve as nailers for finish material.

Deep Archway
[B]  Deep Archway

This method of building an arch could be applied to any small (non-structural) decorative arch.

What next?

Return to How to Build.

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