The 35x20 mm Rectangular Steel Chimney Brush (Reference: ALI_ER4350 ) is the essential professional tool for ensuring the efficient, safe, and regular maintenance of chimneys, stoves, and flues. Specifically designed to fit rectangular spaces, this chimney brush allows you to reach and thoroughly clean areas that traditional round tools cannot access, ensuring optimal removal of soot, creosote, and other combustion residues.

Made from high-strength, durable steel wire, this chimney sweep is designed to withstand heavy use and the demands of even the most rigorous professional cleaning. Its robust structure exerts the necessary friction against the flue walls to dislodge encrusted soot without compromising the integrity of the system. Maintaining a clean chimney not only significantly improves draft and the energy efficiency of the heating system, but it is also a fundamental safety measure to prevent house fires and avoid the dangerous emission of harmful gases into the home.

Thanks to its versatile design, this rectangular brush easily attaches to standard chimney sweep poles and rods via its universal threaded connection, facilitating cleaning from both the chimney opening and the roof. It's the perfect tool for both professional chimney sweeps and homeowners seeking professional-quality results for the annual maintenance of their wood or coal heating systems.

Features of the Rectangular Chimney Sweep Hedgehog 35x20 mm

• Product type: Rectangular chimney sweep hedgehog for cleaning ducts.


• Dimensions: 35 x 20 mm, ideal for ducts and chimneys with a rectangular or reduced cross-section.


• Manufacturing material: High-quality, high-strength steel wire barbs and structure.


• Manufacturer reference: ALI_ER4350.


• Main application: Effective removal of soot, creosote and carbon deposits in chimneys, stoves and flue pipes.


• Compatibility: Suitable for the vast majority of chimney sweep poles and rods on the market thanks to its standard threaded connection.


• Durability: High resistance to wear, corrosion and continuous use under demanding conditions.

Frequently Asked Questions about Chimney Sweeping

How often should I use the chimney sweep hedgehog on my chimney?

It is recommended to thoroughly clean your chimney at least once a year, preferably before the start of the peak heating season. If you use your chimney daily or burn wood that produces more residue, a second cleaning mid-season may be necessary to ensure optimal and safe draft.

How do I choose the correct hedgehog size for my duct?

It is essential to measure the diameter or inside dimensions of the chimney flue before purchasing the brush. The 35x20 mm rectangular hedgehog brush is specifically designed for sections that fit these dimensions, ensuring that the steel bristles make even contact and scrubbing of all the flue walls during the back-and-forth motion.

Can this brush be used in construction ducts and metal pipes?

Yes, this steel hedgehog is suitable for a wide variety of pipes. However, with very delicate stainless steel pipes, caution should be exercised to avoid scratching the inner surface. It is ideal for masonry chimneys, refractory brick, and robust metal pipes designed to withstand the mechanical stress of steel.

What else do I need besides the hedgehog to clean the chimney?

To clean the chimney, you'll need a set of flexible rods or poles that screw onto the chimney brush, allowing you to push and pull the brush along the entire flue. It's also highly recommended to use personal protective equipment such as goggles and a mask, and to protect the stove area with tarpaulins or plastic sheeting to prevent soot from soiling your home.