Square Chimney Liner
Square Chimney Liner
SKU:SquareLinerOnly-1
Ships within 5-7 business days
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Our 316Ti .006 stainless steel square chimney liners are air and water tight. This flue liner has 7 ply seams, rated number one in the industry for strength. Our square chimney liners are UL listed in the United States UL1777 and ULC365 in Canada. They are made of the very best, hand selected, prime stainless steel material available on today's market. The sizes listed are square O.D. (outside dimensions) and pricing is per foot.
Videos & Calculators: How to Install a Chimney Liner | Chimney Liner Shape Calculator
Note: Square chimney liners and components are custom made to your specifications, and are not refundable. Please call us if you have any questions in regards to your installation! See Our Square Chimney Liner Conversion Chart


At Chimney Cricket,
We believe in providing top-quality hearth and chimney products that combine durability, efficiency, and style.
The Chimney Cricket Difference
Whether youβre upgrading your fireplace, maintaining your chimney, or enhancing your outdoor grill setup, we offer industry-leading solutions trusted by professionals and homeowners alike.

Commitment to Quality
Our commitment to quality ensures that every product meets the highest standards of craftsmanship and performance.
π Why Choose Chimney Cricket?
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Superior Craftsmanship
Our products are made from high-quality materials like stainless steel, cast iron, and heavy-duty alloys for long-lasting durability.
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Expertly Designed
Engineered for maximum efficiency, our fireplace grates, dampers, and caps help improve heat output, airflow, and safety.
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Trusted by Professionals
Chimney technicians, masons, and DIY enthusiasts rely on our products for top-tier performance.
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Unmatched Variety
From chimney caps to BBQ accessories, we offer a wide selection of products to suit every need.
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Fast & Reliable Shipping
Get your products quickly with our streamlined fulfillment process.



FAQ
Frequently Asked Questions
Q: How do I choose the right chimney cap size?
A: Measure the outside dimensions of your flue and select a cap that fits securely. Our product descriptions include detailed sizing charts for easy selection.
Q: Are your fireplace grates compatible with all fireplaces?
A: We offer a variety of sizes and materials to fit masonry and prefab fireplaces. Check our product specs for details.
Q: Do you offer installation guides?
A: Yes! Many of our products come with step-by-step instructions, and we provide expert tips in our blog to help with installation and maintenance.
Shop with Confidence π‘
At Chimney Cricket, we stand behind every product we sell. With fast shipping, top-rated customer support, and premium quality products, you can trust us to enhance your homeβs warmth and efficiency. Explore our selection today and experience the Chimney Cricket difference!