Window mouldings for sheds - can one get tanalized?

[Chris Green]

I'm replacing the (quite large) windows in a shed/sunhouse. The existing supports are very rotten but the basic shed is OK still. So I'm looking for tanalized (or otherwise protected) window moldings but I can't find any.

Is the norm to DIY the window bars, as in use a square section and add a narrower bit to make a window bar or have my Google searches been for the wrong thing?

The old (rotten) window bars are basically 45x45mm with two corners removed, i.e. something like:-

____ _| |_ | | | | ------

If I can buy some ready made in treated timber it would save a lot of time and hassle.

[TimW]

The wet nature of the the tanalising / treatment means that it is only done on structural timber, never joinery timber, which has to be dry. It should be sufficient to brush on some preservative afterwards.

TimW

[harry]

Also tanalising is pretty ineffective now. They have done away with the copper and Arsenic.

[Chris Green]

Well my tanalized timber seems to last pretty well, especially compared with untreated.

[harry]

Once upon a time it did. New stuff only lasts three or four years in a damp situation.

28CCA.29