Soup to nuts riley shows the proper way of installing a valley on a roof.
How to make a lead lined roof valley.
The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection.
Remember to coat between laps.
It also has the added benefit of stiffening the lead which makes carrying it up the roof a lot easier.
This method of lead valley repair is proven to not only be fast and safe wit.
Apply the oil to all newly installed lead items large or small.
Apply the oil before any rain and at the end of the day s work.
Use lead or spray expandable foam under the tiles.
Ii as the pointing has fallen out 3 times are there alternative materials to make the valley watertight e g.
Starting at the bottom of the valley dress the lead neatly onto the valley boards and over the tilting fillets.
One coat is all that is needed.
This acts as a last line of defence for water penetration.
On the common rafters the plumb cut is marked with a framing square for a 12 in 12 pitch 45 and cut square i e no bevel.
Lift flashings and coat the underside of the lead for about 50mm from the edge.
Setting the valley boards flush requires extra work as the boarding must be cut to fit between the rafters supported on extra timbers fixed to the sides of the rafters.
How to do a roof valley martin s roofing and guttering merton ltd for all your roofing needs.
Bend a welt into the lead 25mm each side.
Coat the lead before turning up clips around the edges.
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Soup to nuts riley shows the proper way of installing a valley on a roof.