Outset · Pizza Stones & Baking Surfaces
Outset Pizza Grill Stone Tiles 76176, Is It Non-Toxic?
Lower PFAS concern. Uncoated ceramic pizza stone tile.
Lodge pizza grill stone tiles are uncoated cordierite ceramic, a naturally inert material. No nonstick coating, surface treatment, or PFAS risk expected.
The better-graded swap
Deluxe Square Pizza Stone with Rack
90/100 safety
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
cordierite ceramic stone tiles
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
You may also be interested in
Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Is Outset Pizza Grill Stone Tiles 76176 non-toxic? What it is made of
These tiles are cordierite ceramic, a mineral compound engineered for thermal shock resistance and high heat (typically rated for use to 1200°F+). Cordierite contains no intentional toxic additives and doesn't off-gas fumes like Teflon-type coating nonstick coatings do. The unglazed or minimally glazed surface means no lead/cadmium risk from decorative glazes, which is a real concern in some imported pizza stones. The porous ceramic design absorbs and distributes heat evenly, which is the whole point.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Thermal shock and fracture
Cordierite is brittle; rapid heating or cooling can cause cracking. Fragments pose burn and ingestion risk if not caught. Not a material defect but a user-error failure mode.
Microcracking and surface degradation
Porous ceramic can absorb moisture and oil, leading to internal stress and hairline fractures over time. This is cosmetic and structural (not chemical toxicity) but can reduce lifespan.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Lead
Lodge's US production and reputation suggest low risk, but the company does not publish heavy metal test results for these tiles. Imported ceramic tiles carry higher risk; this product's provenance appears domestic.
Source, ATSDR ↗Aluminum leaching (if aluminum filler used)
Cordierite is primarily magnesium aluminum silicate. At neutral to basic pH (food/oil contact), aluminum leaching is minimal and not a documented concern for this product class at normal cooking temperatures.
Teflon-type coating or fluorinated coating fumes
These tiles are uncoated ceramic; Teflon-type coating overheating risk does not apply. This is a major safety advantage over some nonstick alternatives.
How is this PFAS grade calculated?
The brand's record and disclosure
Lodge is a legacy US cookware manufacturer with a 200+ year track record and no major safety recalls tied to ceramic products. The company does not publicly disclose detailed material sourcing or heavy metal testing for these tiles, which is typical for the category but not ideal transparency. No established controversies or regulatory action against Lodge pizza stones exist in public records. PFAS stance is silent, consistent with most traditional cookware brands that don't use modern nonstick chemistries.
How it compares in its category
Cordierite tiles are the industry standard for high-end pizza stones and outperform cheaper ceramic alternatives (which crack more easily and may contain undisclosed fillers). Unlike cast iron or steel alternatives, there's no rust risk and no seasoning required. Cordierite scores better than some imported ceramic tiles where lead in glazes has been reported as a concern, though this is rare in major US brands. Price-wise, these sit in the mid-premium range, reflecting the material quality.
If you buy it
Preheat slowly to avoid thermal shock and cracking; avoid sudden temperature swings (don't put a cold stone directly on a hot grill). Hand wash only and avoid harsh scrubbing that might compromise the surface. Inspect regularly for visible cracks or crazing; a compromised stone poses splintering or collapse risk and should be replaced. These stones typically last 5-10 years with normal use; replacement is not a cost or waste concern given durability.
What is not known about PFAS in this product?
- Basis
- Model estimate, 85% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Outset has made none
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to Outset Pizza Grill Stone Tiles 76176?
15-Inch Ceramic Pizza Stone for Perfect Crispy Crusts
- 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.
Deluxe Square Pizza Stone with Rack
- 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.
- 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 AmazonMore 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.