Then starting at the base of the.
How to lead a roof valley.
Bend a welt into the lead 25mm each side.
It also has the added benefit of stiffening the lead which makes carrying it up the roof a lot easier.
This acts as a last line of defence for water penetration.
Lead lined valleys the main elements that keep the water out are the upstands and welts at each side of the valley.
Step 3 lay the flashing.
Step 1 find the cause.
Step 4 replace the shingles.
The most common open width for a traditional valley is 125mm and this is generally satisfactory for normal domestic roofs.
Ensure ice and water protector has been installed along the valley first.
This method of lead valley repair is proven to not only be fast and safe wit.
This video shows the traditional and best way to repair a lead valley on a roof.
The width of the open valley is dependent upon the roof pitch and the volume of water expected to drain into the gutter.
Thin plywood linings are fitted over the valley boards to maintain a smooth finish under a lead lined valley.
Step 2 remove the shingles.
Many roof valley leaks are caused by roofing nails that have been poorly.
Starting at the bottom of the valley dress the lead neatly onto the valley boards and over the tilting fillets.
Find the place where that leak is coming from.
Only nail at the edges with only enough nails to.
How to repair a lead valley.