Hi!
I hope someone with more knowledge can give me some good tips :)

This post that goes all the way from the basement up in the middle of the staircase either needs to be extended or cut off to make room for a railing that's higher than the current one, which is about 70cm high. The post has uneven rounded corners and is not square at all.

What is the best way here, to try to extend it by 30cm or cut it off at floor level and then install a new post somehow?

And how do you achieve a good end result?
 
  • Staircase with a wooden post in the center, partially enclosed railing, unfinished flooring, and a lamp on the window sill in a light-filled area.
I would have extended it as it is. Considerably higher demands for a splice down by the floor than up at the end. Craft a block with the same profile and splice with thick dowels, 10 mmx10 cm for example, plane and glue the surfaces. Now, I'm not a wood master, so the forum's experts on the subject might surely have better splicing tips.
 
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Jonas Bonnevier retired and 4 others
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Extend it, then buy a router, like a Ryobi electric hand router. Paint everything, then you won't notice anything.

I would have glued together some 45x145 studs and cut the block so they have the same dimensions, then routed the corners after you have mounted it.
 
K Knight said:
Extend it, then buy a router, like a Ryobi electric handheld router. Paint everything, then nothing will be noticeable.

I would glue together some 45x145 beams and cut the block so they have the same dimensions, then route the corners after you have mounted it.
Sounds simple, but the dimensions around the post are quite uneven and not straight. I've glued together a block of 3 pieces of 45x145, the problem is that neither my miter saw nor table saw can cut such large blocks.
 
  • Uneven block with side measurements: 124mm, 125mm, 130mm, and 122mm.
I am a complete amateur but have watched hundreds of videos on YouTube😉

Salmon knot is fried in both parts, such a knot holds even without glue and cannot come loose.
 
ranzor ranzor said:
I have glued together a block of 3 pieces of 45x145, the problem is that neither my miter saw nor table saw can cut such large blocks.
Cut first, then glue. After that, plane until the parts fit.

I also believe in a dovetail as a joint for those who can do it, but I'm not envious of you who needs to make it. I would probably try with three or four smaller dowels or threaded rods and ramp inserts instead.
 
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roger2011
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ranzor ranzor said:
Sounds simple but the measurements around the post are quite uneven and not straight. I've glued together a block of 3 pieces of 45x145, the problem is that neither my miter saw nor table saw can cut such large blocks.
You can reverse-cut with the table saw, i.e., make one cut, turn the piece over and cut from the other side but leave 15-20 mm in the middle. The rest you can finish with a handsaw. Alternatively, make one cut with the table saw and finish the rest by hand.

A handsaw also works if you're just cutting. Rip cuts are possible but require more technique and a suitable saw.

If you're splicing, make some overlap, for example, half and half (brain freeze, in English it's called a half lap-joint). It's one of the simplest joints.
 
Hand saw, chisel, sand paper, spackel and if you want.... beer?
A 3D model of a simple wooden fence post with two horizontal rails and vertical slats.
 
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Workingclasshero and 1 other
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Why make it so complicated? Let the post have a different profile for the last part, and make it a part of the railing's design. Then you can, for example, secure it with sturdy plugs at the end that is there now.
 
jonmo jonmo said:
Why make it so complicated? Let the post have a different profile at the last part, and make it part of the railing design. Then you can, for example, attach it with sturdy plugs at the end that is there now.
How do you make it look nice? I probably have a poor imagination on how you could do that.
 
S sturnus said:
Hand saw,chisel, sand paper, spackel and if you want.... beer?
[image]
That looks amazing, will see if I can do it.
 
ranzor ranzor said:
That looks amazing, will see if I can do it.
I believe in your abilities. The proverb says that to be able is to want

Here other way, maybe easier for you. Drill holes and use pin from eg spade handle.
Transparent 3D model of a hollow rectangular prism with a cylindrical tube running through its center.
 
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ranzor
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You can ask a metalworking company to make a riser in iron after a nice sketch.
Just screw it on without hassle.
/W
 
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jonmo
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