Mortar is not a satisfactory long term pointing.
Slate roof lead flashing.
Lead bottle flashingjohn gilbertthis type of joint is used to form a flashing between two different roof finishes.
The drawing here shows a lead bottle flashing used to cover the join between a slate and tiled roof.
The lead is folded tight over a timber roll.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
Each piece of flashing is secured into a joint in the brickwork as per bs6915 at 450mm maximum centres see page 6.
Lead slates including lead flexislate and lead weathering slates are available here from calder.
What is lead flashing.
Welding doesn t take much more than ten minutes.
Lead flashing has been used for hundreds of years in situations such as where a roof meets a wall on a roof valley around other penetrations such as chimneys pipes and around window and door openings.
Lead flashing is a piece of milled lead that sits between joints to create a durable and weathertight seal.
Known for high quality lead calder offers our customers lead weathering slates in 30 degree 45 degree and 90 degree pitches.
Manufactured from code 4 lead slate with varying base sizes lead weathering slates create a seal for pipe penetrations and access through tiled and slate roofs.
This is the same method as used.
The cover the amount of lead that covers the tiles or slates beneath to make them waterproof.
Lead flashing rolls our high quality lead flashing rolls have been chosen to suit any slate roof or lead flashing project.
Apron flashings these are standard lead flashings to a tiled roof or slate roof and consist of the 3 measurements as described above wherever a roof meets a wall.
This video shows how to make the basic step flashing that covers lead soakers as used where a roof abuts a wall for both slates and double overlapping plain tiles.
Sometimes called the overlap.
Http www fixmyroof co uk install roof flashings this video shows you the basics of installing lead roof flashings simple apron flashings or cover flashin.
Use a straight piece of batten to mark a line 25mm from the top edge of each flashing piece and then bend the lead with the use of the dresser to form a 25mm turn into the brickwork.
Lead slate is not too difficult.
