Best Trim Collar for Stove Pipe: Clear Fit for Wood Stoves
Choosing the right trim collar for your stove pipe can improve safety, aesthetics, and installation ease. This guide highlights five compatible options, focusing on diameter compatibility, material quality, and ease of installation. Each product is reviewed for performance with solid fuel appliances and single-wall piping. The following selections are relevant for homeowners seeking durable, heat-resistant collars.
| Product | Brand | Diameter | Material | Notes |
|---|---|---|---|---|
| Irnyso BM0094 | Irnyso | 6″ | 24-gauge steel | Black matte finish; fits 6″ pipe |
| Speedi-Products SP-BTC 06 | Speedi-Products | 6″ | Black matte steel | Made in USA |
| Irnyso BM0096 | Irnyso | 8″ | 24-gauge steel | Black matte finish; 2-pack |
| ZFZMZ BM0093 | ZFZMZ | 5″ | 24-gauge steel | Black, matte finish |
| Imperial BM0096 | Imperial | 8″ | 24-gauge steel | Black collar |
Irnyso Metal Firewood Stove Wood Stove Stove Pipe Collar, 6″

Product: Irnyso BM0094 is a 6″ diameter trim collar designed to cap the connection between the stove pipe and masonry breech. Constructed from 24-gauge black steel, it offers a matte finish that blends with most stoves. This collar is intended for single-wall pipe and solid-fuel appliances such as wood stoves. Its round design aligns with standard 6″ flue pipes, helping seal gaps and reduce draft.
Speedi-Products SP-BTC 06 6-Inch Diameter Black Stove Pipe Trim Collar

Product: Speedi-Products SP-BTC 06 is a 6-inch black matte stove pipe trim collar. This collar supports straightforward installation around stovepipe connections and is manufactured in the United States. Its simple design focuses on reliable fitment for standard 6″ single-wall pipe, providing a clean exterior transition where the pipe meets the masonry breech.
Irnyso Replacement BM0096 8″ Trim Collar (2-Pack)

Product: Irnyso BM0096 comes in an 8″ inner diameter collar with a black matte finish, designed for 8″ stove pipe connections. The 24-gauge steel construction ensures durability for solid-fuel appliances and single-wall installations. The 2-pack offers flexibility for installations requiring multiple collars or future replacements.
Imperial #BM0096 8″ 24ga Black Collar

Product: Imperial BM0096 is an 8″ black collar built from 24-gauge steel. It is designed to fit standard 8″ stove pipes and is suitable for use with solid-fuel wood stoves. The collar’s finish aims to resist heat and maintain a clean exterior appearance around the connection to the flue.
ZFZMZ Replacement 5 Inch Black Stove Pipe Heavy Collar Trim Ring BM0093

Product: ZFZMZ BM0093 is a 5″ inner diameter heavy trim collar, with a matte black finish. It is designed to connect flue pipes to walls or chimney notches, offering a snug aesthetic and improved seal at the interface. It is geared toward single-wall configurations and is compatible with many 5″ stove pipe installations.
Buying Guide: Key Considerations For Trim Collars
- Diameter compatibility: Measure your stove pipe and chimney opening to ensure the collar matches the inner diameter of the pipe. Across the selections, options range from 5″ to 8″ inner diameters, covering common residential stoves.
- Material and gauge: Most collars use 24-gauge steel, providing a balance of strength and heat resistance. Heavier gauges offer greater durability but may cost more and require precise fitment.
- Finish and corrosion resistance: A matte black finish hides soot and marks well, while corrosion-resistant coatings help longevity in high-heat environments.
- Installation considerations: Look for collars designed for single-wall pipe and solid-fuel appliances, with simple slip-fit or screw-in installation to reduce gaps where creosote could form.
- Safety compliance: Ensure the collar is suitable for use near masonry breeches and notches. Proper clearance and seals reduce potential fire risks and improve draft control.
- Cost vs. value: While premium collars may offer longer life and easier installation, assess your project scale to determine whether a multi-pack or a single collar best fits your needs.
- Maintenance: Regular inspection of collars for soot buildup and heat-induced deformation helps maintain a safe stovepipe system.
These collars provide practical solutions for concealing and stabilizing stove pipe connections while maintaining a clean, finished look. When selecting a collar, prioritize diameter compatibility, material quality, and ease of installation to optimize safety and performance in wood stove setups.