Internal Lead valley using small tiles , there is also a cheaper option than lead which comes in the shape of valley Troughs , these come in many different shapes / forms to suit specific jobs, but can also be used as bonding gutters which can be seen in next section . These are very durable and a cost effective solution and a cheaper alternative to lead.
.Internal pitched lead gully, Here you can see a lead valley has been fitted , the slates added to finish job and make watertight
JJD Roofing 