PFAS65/ 100Good
Overall57/ 100Good
Pizza & Baking Stones

· Pizza Stones & Baking Surfaces

Pizza & Baking Stones, Are They Non-Toxic?

Good

No coating of concern recorded, and no PFAS statement from the brand.

Verdict · SkipCeramic-coated cordierite base with no PFAS or heavy-metal concerns on record; The brand's cookware track record supports low chemical risk.

The brand has published no PFAS statement for this product that we could find.

The better-graded swap

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

90/100 safety

90Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Ceramic-coated stone (cordierite or clay base)

Lab data

No public lab test

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2 hazards checked on this product, all on its full breakdown.

Are Pizza & Baking Stones non-toxic? What it is made of

Pizza stones use a cordierite or clay mineral base (naturally porous, thermally stable) topped with ceramic glazing. Cordierite is valued for thermal shock resistance and even heat distribution. The ceramic coating bonds to the stone during kiln firing rather than being a synthetic polymer, which eliminates Teflon-type coating fume risk and reduces leaching concerns compared to non-stick coatings. No enamel or glaze containing lead or cadmium has been reported for this product line.

What’s concerning

♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
⏳

Coating degradation over time

Ceramic glazes can chip or wear with repeated thermal cycling and abrasion. Degradation itself does not release hazardous substances into food, but exposed cordierite becomes more porous and stain-prone. This is a durability issue rather than a chemical safety hazard.

70/ 100
🧠

Lead

The porous cordierite base can retain moisture and food residue if not dried thoroughly after washing. While not a direct chemical hazard, poor maintenance could create hygiene concerns. Regular air-drying and inspection for deep cracks mitigate this risk.

Source, ATSDR ↗
70/ 100

What’s reassuring

✅

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
🧠

Lead

No contamination or heavy-metal findings are on record for pizza stones. Ceramic glazes in modern cookware from established brands are typically tested for leaching; however, independent verification is not publicly documented for this specific product.

Source, ATSDR ↗
95/ 100
✅

Aluminum leaching (if aluminum-containing clay base)

Cordierite and clay-based stones do contain trace aluminum, but leaching into food during typical baking (neutral to slightly acidic pH, short contact time, moderate heat) is not documented as a concern for ceramic-coated products in this category.

95/ 100
✅

Teflon-type coating or synthetic polymer fume release

Stones use mineral-based ceramic coating, not Teflon-type coating or synthetic non-stick polymers. No fume hazard is associated with ceramic firing or use at normal baking temperatures (up to 500F).

95/ 100

How is this PFAS grade calculated?

The brand's record and disclosure

The brand has built a reputation for PFOA-free and low-chemical cookware, though the brand does not issue specific PFAS statements for stone products. No recalls, contamination reports, or heavy-metal findings have been documented for their baking stones. The parent company (The Cookware Company) markets toward health-conscious consumers, which supports more rigorous material vetting than commodity alternatives, but independent third-party certification (NSF, GOTS) is not on record for this category.

How it compares in its category

Pizza stones are typically uncoated clay or cordierite, or ceramic-glazed variants. The brand's ceramic coating is a middle ground, it reduces staining and improves durability versus raw stone, while avoiding synthetic non-stick polymers used by some competitors. Most traditional pizza stones carry no chemical hazard on record because they are fired mineral with minimal additives. The brand's approach aligns with this safety profile while adding convenience.

If you buy it

Season lightly before first use per instructions (typically with oil at low heat). Do not subject to rapid temperature swings (preheat gradually, avoid cold water immediately after use) as thermal shock can crack cordierite. Hand-wash gently; abrasive scrubbing may degrade the ceramic surface over years of use. Replace if glaze chips extensively or stone develops deep cracks, as they reduce thermal performance and create sharp edges. Store in a dry location to prevent moisture absorption into the porous base.

What is not known about PFAS in this product?

Basis
Model estimate, 72% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
has made a specific claim

Formulations change between production runs, so check the current label. How we grade.

What are the PFAS-free alternatives to Pizza & Baking Stones?

  • Ceramic (clay-based baking stone)
  • The brand calls it PFAS-free, which we have not verified
  • Glaze degradation and surface leaching

3 hazards checked on this product, all on its full breakdown.

  • ceramic or unglazed stone; no nonstick coating
  • The brand calls it PFAS-free, which we have not verified
  • Ceramic or stone cracking and fragmentation

2 hazards checked on this product, all on its full breakdown.

Baking Steel The Original Ultra Conductive Pizza Stone

Baking Steel

The Original Ultra Conductive Pizza Stone

75ExcellentPFAS grade
  • carbon steel (bare metal, no coating)
  • We found no PFAS statement from the brand
  • Rust and corrosion

2 hazards checked on this product, all on its full breakdown.

Find an alternative on Amazon

More pizza stones & baking surfaces grades

How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.