Where Our Slate Comes From
We do not manufacture slate. We select it. Every slate we supply is ASTM S-1 grade, sourced from established quarries in Vermont, Spain and Brazil, and inspected at every stage from splitting and trimming through to drilling.
What types of slate does California Slate Company offer?
California Slate Company provides a variety of premium slate types, including traditional full-weight slate and our innovative lightweight SLATE2 system. Each type boasts unique characteristics, colors, and textures to suit any architectural vision.
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Where does California Slate Company source its slate?
We meticulously source our premium ASTM S-1 slate from the world's most renowned and reputable quarries, including Vermont, USA, Spain, and Brazil, to ensure unparalleled quality and consistency.
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What is the SLATE2 system?
SLATE2 is our revolutionary lightweight slate roofing system, designed to deliver the authentic beauty and durability of genuine natural slate while significantly reducing roof load. It makes a slate roof suitable for a wider range of homes, often eliminating the need for costly structural enhancements.​
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Does California Slate Company offer installation services?
While California Slate Company primarily supplies premium slate materials, we are happy to refer you to qualified and experienced slate roofing contractors in your area who specialize in installing our products.
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What is the warranty on California Slate Company products?
Our genuine slate products are backed by a 100-year limited warranty, a testament to their enduring quality and our confidence in their performance. Please refer to our detailed warranty document for complete terms and conditions.
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