Pizza Stone Set vs Refractory Pizza Stone for Ovens: which is safer?
Nordic Ware Pizza Stone Set is the clear pick. Refractory Pizza Stone for Ovens carries a failing PFAS grade, and we never recommend buying a failing product.
Our pick
Nordic Ware
Pizza Stone Set
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleLead or cadmium in ceramic glaze
PossibleCeramic coating degradation and particle release
ReportedThermal shock and structural failure
Staub
Refractory Pizza Stone for Ovens
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleCeramic clay mineral contaminants (heavy metals in source material)
PossiblePorous material bacterial or mold growth if stored damp
LikelyThermal shock cracking releasing ceramic dust or fragments
Where these two actually differ
- We flag Lead or cadmium in ceramic glaze, Ceramic coating degradation and particle release and Thermal shock and structural failure on the Nordic Ware and not on the Staub.
- We flag Ceramic clay mineral contaminants (heavy metals in source material), Porous material bacterial or mold growth if stored damp and Thermal shock cracking releasing ceramic dust or fragments on the Staub and not on the Nordic Ware.
- The Nordic Ware is ceramic-coated stoneware pizza stone where the Staub is Refractory ceramic/clay stone, no coating, which is most of the difference in these two grades.
- The gap is 25 points, wide enough that this is not a close call, and the Nordic Ware is the one to buy.
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More pizza stones & baking surfaces: see the full ranking