YIGROUP NATURAL ROOFING SLATE how YIGROUP natural roofing slates are made | Page 22

- Slate fabrication processes Drill and further fabrication :

The methods of slate roof installation are developed , such as nail fixing , hook and aluminum profile , drilling and further fabrication on slates can be optionally done .

YIGROUP SLATE | Exclusive natural roofing slate supplies www . yigroupslate . com