There are many problems associated with masonry chimneys. From faulty crowns to worn out flashing, these problems need to be addressed when they arise.
The title should really be "Lack of Adequate Headlap," because it is a common problem with newly installed slate roofs. Headlap; what is it and why do I want more of it?
Headlap, or the relationship of overlap of one slate to the 2nd slate above it. Headlap is one of the most important technical aspects of slate roofing.
- Pinholes in the metal
- Broken slates in the valley
- Slip Valleys
- Debris Build-up in the valley creating a dam.