Do not chalk on the slates themselves.
Slate roof tiles installation.
So first find the pattern and then drill holes on the slate roof tiles.
How to install 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.
On average north american produced s 1 rated roofing slate will cost 400 600 usd per square 100 square feet or 4 00 to 6.
Install every course of slates along a permanent red chalk line chalked on the surface of the roof that marks the top edge of the slates.
The place of drilling on slate tile depends upon the pattern you are going to make.
Do not eyeball the courses.
Drill the slate roofing slate tiles.
We are often asked by designers architects home and building owners what will a slate roof cost me.
Start from the bottom of the roof and work your way up staggering the joints between courses by a minimum of 1 inches.
When slating with a shallow pitch a wide slate is highly recommended for maximum side lap or lateral lap side overlaps.
Find the central point of lower edge of roof.