Uncoated Pizza Stones & Baking Surfaces, ranked by PFAS safety

All 7 products with no coating at all in our pizza stones & baking surfaces database, graded Bad to Excellent and ranked safest first. 2 earn a buy-worthy grade.

Kitchenaid Wall Oven Baking Stone W10696057 17.00 x 14.25 x 2.00 Genuine OEM at Sears PartsDirect

Kitchenaid

Wall Oven Baking Stone W10696057 17.00 x 14.25 x 2.00 Genuine OEM at Sears PartsDirect

Ceramic or stone, no nonstick coating

PFAS Grade75Excellent
Overall Grade63Good
⚠️

Thermal shock and cracking

Limited concern

70

Ceramic degradation over time

Limited concern

70
⚠️

Moisture absorption and mold growth

Limited concern

70

Lower concern. Bare baking stone has no PFAS-prone coatings.

Risky category by default

Kitchenaid Wall Oven Baking Stone W10862028 20.50 x 15.75 x 1.50 Genuine OEM at Sears PartsDirect

Kitchenaid

Wall Oven Baking Stone W10862028 20.50 x 15.75 x 1.50 Genuine OEM at Sears PartsDirect

ceramic or stone, uncoated baking surface

PFAS Grade75Excellent
Overall Grade67Good
⚠️

Thermal shock and fracture

Limited concern

70
🫧

Microparticle shedding

Limited concern

70

Lower concern. Bare ceramic/stone baking stone, no nonstick coating.

Risky category by default

OVENTE Pizza Ceramic Stone 13 Inches with Free Crust Cutter Wheel

Wayfair

OVENTE Pizza Ceramic Stone 13 Inches with Free Crust Cutter Wheel

ceramic stone, bare unglazed or glazed ceramic

PFAS Grade65Good
Overall Grade39Poor
🫧

Ceramic cracking and microparticle shedding

Limited concern

70
⚠️

Mold or bacterial growth in porous material

Limited concern

70
⚠️

Thermal shock fracture

High concern

20

Pizza stone ceramic, lower PFAS concern.

Risky category by default

Sur La Table 18" x 13.5" Cordierite No-Slip Pizza Stone

Sur La Table

18" x 13.5" Cordierite No-Slip Pizza Stone

Cordierite ceramic stone, no coating

PFAS Grade65Good
Overall Grade57Good
🫧

Thermal stress cracking and particle shedding

Limited concern

70
⚠️

Moisture absorption and mold growth

Limited concern

70

Lower concern. Uncoated cordierite is inherently PFAS-free.

Risky category by default

Refractory Pizza Stone for Ovens

Staub

Refractory Pizza Stone for Ovens

Refractory ceramic/clay stone, no coating

PFAS Grade65Good
Overall Grade39Poor
⛏️

Heavy metals

Limited concern

70
⚠️

Porous material bacterial or mold growth if stored damp

Limited concern

70
⚠️

Thermal shock cracking releasing ceramic dust or fragments

High concern

20

Lower PFAS concern; bare ceramic stone needs no fluorine treatments.

Risky category by default

Breville 13" Pizza Stone

Breville

13" Pizza Stone

Ceramic or stone composite; no nonstick coating

PFAS Grade65Good
Overall Grade59Good
⚠️

Thermal shock and material fracturing

Limited concern

70

Lower concern. Pizza stone, no nonstick coating present.

Risky category by default

Le Creuset 15" Round Pizza Stone

Le Creuset

15" Round Pizza Stone

Ceramic stoneware, uncoated fired clay

PFAS Grade65Good
Overall Grade59Good
⚠️

Thermal shock cracking (structural failure)

Limited concern

70

Lower concern. Uncoated ceramic pizza stone unlikely to contain PFAS.

Risky category by default

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