When replacement is necessary details contributing to the appearance of the roof should be retained.
How to start a slate roof.
To install slate roof tiles correctly you ll need to stagger each course so the proper headlap which should be at least 3 inches for moisture protection is established.
Slate roofs can and should be maintained and repaired to effectively extend their serviceable lives.
Side laps are the area where the sides of the starter course of slate tiles overlap the first complete row of regular slate tiles.
The height distance up the roof of the starter slate must be at least 3 inches greater than the vertical exposure on the first course of slate.
The hook is tapped into the gully between tiles and the new tile slides into place resting on the hook below.
The exposure on the first course of slates may be reduced by dropping the chalk line for the top of the second course of slates in order to increase the headlap on the starter course.
Assume all elements of the roof assembly must last and function for at least 150 years.
Install the proper side lap strips by holding them in place and hammering them in using a slate hammer.
A stainless steel slate hook is used when replacing a slate tile.
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.
Roof pitch the angle of a roof not only determines what slates to use but the amount of overlap that the slate roof needs to remain waterproof.
Then again a slate roof can also last four or more times as long making it a good value over the long haul.
Slate roofs are a critical design feature of many historic buildings that cannot be duplicated using substitute materials.
Slate roof installation guide 1 construct the roof properly.
Read about the common mistakes people make when installing.
4 have the correct tools.
How to slate a roof http www fixmyroof co uk videos and guides pitched roof slate a roof this video shows you the basics of how to set out a roof for slat.