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Some months ago one person asked me to make a window that should be installed in a shed. It should be a wooden window, and instead of glasses it should have a metallic mesh. The objetive was to ventilate the shed, but making sure no animals could enter or leave the shed. But before I install the window I must put a wooden frame in the opening in the wall of the shed. So, in this post I will show how to make a wooden frame, to hold a window, using a finger joints jig. But it will be a simple frame, not suitable to hold a window in a house.
To make the window frame, first I have to cut the stiles and the rails. I can use the table saw sled to make sure I will cut two identical stiles and two identical rails.
Then, I set my router table finger joint jig to route one end of the rails and the stiles.
The main problem is that the rails and the stiles are very long, so it can be difficult to keep them perfectly vertical in the finger joint jig. I had to use a square and a homemade fast clamp (watch here a video about how to make my homemade quick action clamp).
Another problem I had is that the edge of the straight router bit I have is not long enough. So, my woodworking trick to route the long finger joints is that first I must route half the way.
To check I use the square to make sure I have 90 degrees corners, I measure to make sure both long sides and both short sides are identical, and I also measure to make sure both diagonals are identical.
I cut them carefully with the table saw sled, trying to make them fit as nice as possible.
And finally, before installing this window frame in the wall opening, I apply a couple of coats of wood protector and woodworm killer. Like this I make sure it will stand perfect for years before I have to apply more wood protector.
You can watch here how to make the simple wooden window that I will install in this window wooden frame.