These questions help you vet the contractor's craftsmanship and business practices:

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Higher-grade slabs have more consistent coloring and fewer structural defects, while lower-grade "commercial" granite may be more porous and fragile.

Lighter granites are generally more porous and may need sealing more frequently (e.g., annually) than denser, darker varieties. Fabrication & Installation Questions

The industry standard for durability is 1.25 inches (3 cm) . Thinner slabs may require additional support and are more prone to breaking.

Buying granite countertops is a significant investment that requires careful vetting of both the material and the professionals handling it. Because granite is a natural stone, no two slabs are identical, making in-person inspection and specific technical questions essential to avoid costly errors.

Never buy based on small samples alone; natural variations in veining and color can vary drastically within a single lot.