Adrian wrote:
Stuart Noble ) gurgled happily, sounding much
like they were saying :

The joints being mitred means all 4 pieces have to be the same width,

No, it doesn't. You can mitre between two different width pieces - you just
adjust the angle to compensate.

Try making a sash using mitres. There are good reasons why they're 45 degs.


But how often will it need painting? And if it does, it's a sure sign the
wood is failing rather than the paint.

Eh...?

Paints don't fail as quickly as substrates