"Dave Plowman (News)" wrote in message
...
In article ,
Jim GM4DHJ ... wrote:

"harry" wrote in message
...
On Wednesday, 29 November 2017 10:28:22 UTC, John Rumm wrote:
On 29/11/2017 10:16, Jim GM4DHJ ... wrote:

Are hip irons really required or are they there just to hold hip
tiles
in
place until the mortar sets ? ...

They are worth having, since they keep the tiles in place even when
the
mortar fails.


Especially on slate/similar smooth roofs.

what?.....surely you would have a concealed lead soaker ?

More often zinc round here. Keeps its shape better when unsupported. Lead
can sag.

yes you can't beat a good section of zinc ridging on a hip for a roof with
slates......