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Slate

As a premier natural stone manufacturer and direct factory supplier, we process and export high-grade slate stone for commercial landscaping, exterior roofing, and interior flooring projects. Sourcing directly from exclusive quarry resources allows our factory to maintain strict quality control, stable material availability, and highly competitive wholesale pricing. Whether your project requires natural cleft flagstone or precision-calibrated tiles, we deliver scalable bulk production to meet exact architectural specifications.

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Technical Specifications & Slate Selection Guide

Selecting the correct slate material depends heavily on load-bearing requirements and environmental exposure. Below is the standard technical matrix for our primary wholesale slate product lines to assist your engineering and procurement teams.

Product Category Typical Thickness Water Absorption Compressive Strength Surface Finish Main Application
Roofing Slate 5mm - 7mm < 0.4% > 60 MPa Natural Cleft Exterior Roofing
Floor Tiles 10mm - 20mm < 0.6% > 70 MPa Natural / Honed High-Traffic Flooring
Wall Cladding 15mm - 30mm < 0.8% > 50 MPa Split / Mushroom Exterior Façade
Paving Slabs 25mm - 40mm < 0.6% > 80 MPa Natural / Tumbled Driveways, Patios

 

Why Choose Us as Your Direct Slate Manufacturer?

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Production Capacity: Processing output of over 50 containers per month, ensuring timely fulfillment for ongoing construction phases.

Quality Control (QC): We maintain a strict thickness tolerance (+/- 1mm for calibrated backing, and +/- 2mm for double natural cleft). Each crate is inspected for color consistency and structural integrity prior to packaging.

Certifications: Materials are CE marked and SGS tested for structural safety and environmental compliance.

Secure Packaging: Export-grade, fumigated solid wood crates reinforced with internal strapping to guarantee a breakage rate of less than 3% during international ocean transit.

 

 
 
Slate tiles and pavers
Slate pavers And tiles
slate roofing tiles
Slate roofing tiles
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Slate package 

FAQ

 

Q: What is the standard thickness tolerance between calibrated and uncalibrated floor slate? A: Calibrated slate is machined on the back to achieve a highly consistent thickness with a tolerance of +/- 1mm, which allows for faster thin-set installation. Uncalibrated slate (natural cleft on both sides) typically has a thickness variance of +/- 2mm to 3mm, requiring a thicker mortar bed for leveling during installation.

 

Q: Can your factory produce custom cut-to-size slate for specialized architectural cladding? A: Yes. As a direct manufacturer, we provide comprehensive OEM/ODM fabrication. We can process custom dimensions, specialized edge profiles (such as bullnose or chiseled edges), and pre-drill anchor holes for mechanical cladding systems based on your CAD drawings.

 

Q: How do you mitigate rust or oxidation in exterior slate applications? A: We meticulously grade our raw blocks at the quarry level to isolate seams with high metallic concentrations. For exterior applications, we strictly supply premium-grade slate that has been tested for metallic inclusion stability, ensuring no significant oxidation or rust bleeding occurs upon prolonged exposure to moisture.

 

 

As one of the most professional slate manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale slate at competitive price from our factory.

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