Steve hempstock former chairman of the lead contractors association looks at the methods and materials involved in the production of lead gutters and identifies the most common defects their causes and how to prevent and remedy them.
How to weld a lead back gutter.
He focusses on lead lined parapet and valley gutters and also briefly addresses the problem of underside corrosion.
Find a quality welding rod that matches the lead you plan on welding.
Protect the rubber in the lead expansion joint with a damp cloth before tarting to weld s 4.
Smaller rods are better for lightweight pieces of lead while bigger ones provide extra filler for heavier pieces of lead.
Overlay each length of lead sheet to be joined on either lead wing of the ead expansion joint and trim the sheet on both sides so that both overlays l e a minimum of 25mm in width ar 3.
Select a rod made of lead to use as a filler in the joint.
Simple lead welding techniques by https leadworx co uk shop demonstrating how to weld sheet lead.
As part of the lead sheet association s wealth of training and technical advice we produced a simple video showing how to create a box gutter using rolled sheet lead.
The rods you need range from 0 125 to 0 75 in 0 32 to 1 91 cm in diameter on average.