The reason for this was that traditional wall head gutters that were made from concrete and lined with lead which can be found on many older buildings up and down the country needed the leadwork replaced.
Lead valley gutter detail.
For lead lined valleys the tiles should be cut and bedded as for valley tiles except that the mortar should be bedded on an undercloak to prevent direct contact between the lead and the mortar.
In the old days the lead lining pieces were just lapped and water ingress was inevitable.
3a flashings apron and cover.
Autocad 2000 dwg format for a full range of ssq natural slate tiles please visit.
Also pitched valley gutter linings bs en12588 uses maximum code no.
Length mm 3 soakers 1000 4 and 5 flashings and pitched 1500 valley gutters 3b gutters box tapered and parapet bs en12588 maximum length overall girth code no.
Mm 4 1500 750 5 2000 800.
Defects here often seep quietly for months or even years providing the ideal conditions for dry rot wet rot insect infestations and other forms of decay.
Traditionally in applications such as lead lined gutters lead sheet lengths are joined by overlapping them at drips that stand at least 50mm high.
Parapet and tapered gutters our basic fitting guides are designed to assist installing rolled lead sheet in a range of roofing applications including flashings valleys gutters and flat roofing.
Cost alternative to the restructuring of existing gutter detail.
Pieces of lead for the following applications.
This autocad detail can be used in your roof design cad drawings.
Mortar should not bridge the welt detail.
Download this free 2d cad block of a typical slate valley gutter lead detail including annotations and dimensions.
Between drips mm max.