YIGROUP NATURAL ROOFING SLATE YIGROUP NATURAL ROOFING SLATE BROCHURE & CATALOG | Page 4

HOW TO EXTRACT DURO ROOFING SLATES

Our slates are originally extracted from deposit at foot of Lushan Mountain . Unique geographical location and pressure make the slates finely grained . Modern facilities applied and hand splitting into required roof slates .
1 . Quarry where raw stones come from
YIGROUP Slate ' s quarry is located at Jiujiang Jiangxi where is one of highest quality slate deposits and beds in China . Our quarry is an open quarry and the slate is extracted in large blocks cut with a diamond blade and jackhammers . The blocks are then transported by trucks to the quarry fabrication plant .
2 . Slate fabrication processes
© Cutting to blocks: The large slate blocks extracted from the quarry are cut into thick blocks with same length and width of the final slates be produced .
© Splitting to pieces: Experienced workers split each block into pieces with thickness twice of the final slates , then these pieces are then split in half to required thickness .
© Trimming or beveling the edges: The cut edges of each slate are trimmed or beveled in order to facilitate the passage of water over the slate once in place on the roof .
© Drilling and further fabricating: 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 .
3 . Packing and shipping
The selected slate tiles will be packed with fumigated crates and stored before shipping . Professional couriers and logistic staffs will handle all shipping affairs to your local seaport .

HOW TO

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ROOFING SLATE