It is shaped to prevent wind lift.
How to lead a slate roof.
You will need longer nails when installing ridge slates over vent material.
On many traditional roofs mortar skews were used and while their replacement with lead is likely to result in a more durable repair the change in material and the angles in which the slates sit will change the appearance of the roof figure 11.
Carefully raise the slates in the row above the tingle and push the new slate up underneath and align the lower edge with the slates to the left and right some slates have one end chamfered the chamfer needs to be uppermost at the lower end.
This method of lead valley repair is proven to not only be fast and safe wit.
Http www fixmyroof co uk this video shows you how to install a soil pipe flashing or vent pipe through a roof to profiled roof tiles otherwise known as a l.
Nail the vent material to the furring strips.
Install ridge slates and flashings in the same manner as installing slate hips except ridge joints should be caulked.
In this case 2 5 inch copper roofing nails were used.
Deciding whether an historic slate roof should be repaired or replaced can be difficult and each roof must be judged separately.
Clips to hold lead permanently in position.
Slating terms and phrases if you are not a seasoned roofer some of the terms used for slates batten spacing or overlapping of the slates can add to the confusion.
This video shows the traditional and best way to repair a lead valley on a roof.
Wood core roll is to be used to allow for the expansion and contraction in lead sheet and flashing.