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.
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.
He focusses on lead lined parapet and valley gutters and also briefly addresses the problem of underside corrosion.
Use a rag you should also be wearing gloves to press the flashing tape into place.
Select a rod made of lead to use as a filler in the joint.
Find a quality welding rod that matches the lead you plan on welding.
The rods you need range from 0 125 to 0 75 in 0 32 to 1 91 cm in diameter on average.
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.
Simple lead welding techniques by https leadworx co uk shop demonstrating how to weld sheet lead.