Extending a pole with dimensions 95x95

[hemmapappa07]

The deck railing needs to be raised to avoid visibility onto our deck. What is the best way to extend a 95x95 standing post by about 1 meter so that the joint doesn't become weak when the wind hits it?

 

[BigGitt]

Many ways.
1. with perforated sheet metal
2. with plyfa (cheapest)
3. with cutting and gluing (probably the strongest)
4. with square profiles

 

[hemmapappa07]

Thanks - I didn't think of notching but it would look nice. The other options will probably work well, but I'd prefer it to be a seamless joint. I was thinking about whether you could "operate" in a järn by pre-drilling into the post ends. That combined with notching and gluing would be nice and stable.