Mainstays Nonstick Small Cookie Sheet, 13x9
Asset Quality Score
Calculated via weighted multi-factor analysis:
- Longevity (35%) Replacement Freq
- Financial (30%) Cost Efficiency
- Impact (15%) Waste Reduction
- Security (15%) Warranty + Maint
- AAA+ = Elite AssetBB = Speculative
Financial Physics
Technical Manifest
- OriginChina
- MaterialLightweight carbon steel, Non-stick coating[3]
- WarrantyNo specific warranty (90-day retailer return policy)[1,2]
- Repairability1/10[6]
- "Score 1/10: Unit is a single piece of coated steel. Once the non-stick coating is scratched or peels, it cannot be safely repaired. Recycling is difficult due to mixed materials (steel + PTFE)."
The Comparison Standard
Financial Verdict
"Hand wash recommended to extend coating life. No serviceable maintenance required."
Failure Threat Matrix[5]
| Failure Mode | Likelihood | Est. Onset | Mitigation Strategy |
|---|---|---|---|
| Thermal Warping | High | Random | Avoid rapid temperature changes; do not use above 400°F. |
| Coating Delamination | Medium | Random | Use only silicone/wood utensils; hand wash only. |
| Rusting | High (if dishwashered) | Random | Hand wash and dry immediately. Water gets trapped in rolled edges. |
TCO Projection Model
Financial Efficiency
Mathematically superior to Winco 18-Gauge Aluminum Quarter Sheet Pan.
The Vollrath Wear-Ever 16-Gauge Quarter Sheet Pan offers a 35% better ROI.
Audit Evidence Ledger
High Fidelity: Verified by >5 independent data sources.
- [1]walmart.com..."Reviews consistently mention replacement needed after 6-12 months due to rust and peeling"
- [2]reddit.com..."General consensus: coated steel pans are temporary; coating fails within years"
- [3]walmart.com..."Product description: Durable steel construction with nonstick coating"
"Mainstays is a private label with limited technical documentation. Warranty is strictly bound to retailer return policy. Lifespan estimated based on aggregated user reviews of similar Mainstays bakeware."
Cite this Audit
Earthly Abode. (Jan 17, 2026). Forensic Audit: Mainstays Nonstick Small Cookie Sheet, 13x9. Retrieved from https://earthlyabode.com/product/111-mainstays-nonstick-small-cookie-sheet-13x9
LIMITATION OF LIABILITY: This audit is a financial projection tool for informational purposes only. All cost estimates, lifespan predictions, and durability assessments are based on historical data, manufacturer specifications, and statistical modeling—not guaranteed outcomes.
TECHNICAL SOURCING: Technical specifications (e.g., material composition, IP ratings, warranty terms) are sourced directly from manufacturer documentation, patents, and publicly available material data sheets. While we verify claims against material science principles, we cannot independently test every unit for manufacturing defects.
Peer Analysis
Related Items
Amortized Cost / Year
$1.57
*3% Discount Rate Applied


