In article ,
Steve Firth wrote:
Interesting. The rather limited instructions with the windows caution
against using mortar because of expansion of the frame - it's UPVC.

Ah righto, frames in Italy are wood.

The one I've replaced was, and rotten after only about 20 years. Magnet,
and kept well painted. So I thought I'd try a maintenance free one.

The original sash windows in the rest of the house are over 100 years old
and still fine.

--
*What hair colour do they put on the driver's license of a bald man? *

Dave Plowman London SW 12
RIP Acorn