Do not chalk on the slates themselves.
Slate roof tiles installation.
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.
Do not eyeball the courses.
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.
How much does a slate roof cost.
How to install slate roof.
Find the central point of lower edge of roof.
Drill the slate roofing slate tiles.
You can also consult the slate tile manufacturer regarding nail placing point on slate.
So first find the pattern and then drill holes on the slate roof tiles.
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.
We are often asked by designers architects home and building owners what will a slate roof cost me.
Generally speaking 20 degrees is the lowest advisable pitch for a slate roof depending on the size of the slates and how much that the roof is exposed to moderate weather conditions.