PFAS65/ 100Good
Overall53/ 100Good
Weber Gourmet BBQ System Pizza Baking Stone 8836

Weber · Pizza Stones & Baking Surfaces

Weber Gourmet BBQ System Pizza Baking Stone 8836

Good

Uncoated stone cookware carries minimal PFAS risk.

Verdict · BuyNatural cordierite stone carries minimal chemical leaching risk; no reported recalls or contamination issues; standard care prevents thermal cracking.

Weber's pizza baking stone uses natural cordierite or ceramic stone without Teflon-family coating or nonstick coatings. Uncoated stones make PFAS contamination unlikely during manufacturing.

The better-graded swap

Deluxe Square Pizza Stone with Rack

Deluxe Square Pizza Stone with Rack

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

Natural stone (cordierite/clay-based pizza stone)

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Is Weber Gourmet BBQ System Pizza Baking non-toxic? What it is made of

This pizza stone is made from cordierite, a naturally occurring mineral composite clay that has been kiln-fired to high temperature. Cordierite is chemically stable under normal cooking heat (up to 500F+) and does not leach heavy metals, glazes, or synthetic coatings into food. Unlike ceramic bakeware with decorative glazes or enamel cookware, unglazed cordierite stone has no surface treatments that can degrade, chip, or release contaminants.

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
⚠️

Thermal cracking and fragmentation

Cordierite is durable but can fracture if exposed to rapid temperature changes or thermal shock. Improper care (cold water on hot stone, uneven heating) increases risk; fragments in food are a physical hazard, not chemical.

70/ 100
💨

Surface dust or clay particle inhalation during setup/cleaning

Unglazed stone can shed fine dust when dry-brushed or handled. Risk is minimal with wet cleaning or gentle handling, but users with respiratory sensitivity should avoid vigorous dry sweeping of the stone surface.

70/ 100
⚠️

Mold or bacterial growth if stored damp

Cordierite is porous and can absorb moisture. If stored in humid conditions or cleaned with excess water and not dried, mold growth is possible. Proper air drying and dry storage eliminate this risk.

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
⛏️

Heavy metals

Cordierite is geologically low in lead, cadmium, and arsenic compared to certain clay sources. No testing data published for this specific product, but material class has no documented contamination record at commercial manufacturers.

Source, FDA ↗
95/ 100

The full breakdown

The brand's record and disclosure

Lodge is a historic US cast-iron manufacturer (est. 1896) with strong reputation for cookware safety and transparency, though this product is a cordierite stone, not cast iron. Lodge does not publicly disclose PFAS testing or mitigation statements for this specific product line, which is typical for uncoated stone bakeware and reflects low concern in the category. No recalls, contamination reports, or safety controversies are on record for this model.

How it compares in its category

Cordierite pizza stones are the industry standard in this category, with lower concern for cracking and dusting compared to clay, and lower concern for lead exposure compared to glazed ceramic from older designs. This product sits at the mid-to-premium price point with no added coatings, colors, or finishes that would introduce chemical risk. Direct comparison to cheaper unbranded stones is difficult, but material quality appears equivalent.

If you buy it

Preheat gradually to avoid thermal shock and cracking; do not expose to rapid temperature swings (e.g., moving from oven to cool surface). Clean with dry brush or soft cloth; avoid soaking or sudden water exposure after heating, which causes fracturing. Stone will develop seasoning over time and does not require seasoning oil or special conditioning. Replace only if visible cracks develop or large pieces chip away.

What we don’t know

Basis
Model estimate, 88% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Weber has made none

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

Better-graded alternatives in Pizza Stones & Baking Surfaces

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts

90ExcellentPFAS grade
  • 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. See all of them.

Deluxe Square Pizza Stone with Rack

Deluxe Square Pizza Stone with Rack

90ExcellentPFAS grade
  • 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. See all of them.

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. See all of them.

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.