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What are the different types
of chimney rod brush?

Shop for Drain and Chimney Rods

Wonkee Donkee Woodstock Brushes used in the sweeping of chimneys and flues Woodstock brushes are available in a range of colours, and in diameters from 10cm (4″) to 40.6cm (16″). The colour does not denote anything in particular, it is merely a manufacturer’s choice. A brush should typically be approximately 1.3cm (0.5″) larger in diameter than the chimney or flue it is to be used on.
Wonkee Donkee Plastic Stock Brush with polypropylene bristles and universal joint to connect to a chimney rod

Plastic stock brushes

Plastic stock brushes with polypropylene bristles are used for brick chimneys and flues where coal and wood is being burned. The plastic stock brush is generally lighter and therefore easier to manoeuvre up a chimney.

Wonkee Donkee Plastic Stock Brushes in a variety of sizes for sweeping chimneys and flues Plastic stock brushes come in a range of colours and diameters from 10cm (4″) to 40.6cm (16″). The colour is purely personal preference. A brush should typically be approximately 1.3cm (0.5″) larger in diameter than the chimney or flue it is to be used on.
Wonkee Donkee Rectangular Brushes for sweeping metal flues

Rectangular brushes

Not all chimney or flue brushes are round. Rectangular brushes are available for use in rectangular flues or chimneys. The same principle applies: choose a shape to match your flue and a size slightly larger than the flue to be cleaned.

Wonkee Donkee Rectangular Brush in use cleaning the soot from a metal flue These types of brushes are able to reach into all corners of a rectangular flue where a round brush wouldn’t.
Wonkee Donkee Flat Metal Filament Brush for cleaning chimneys and flues when connected to chimney rods

Flat metal filament brushes

These brushes are made with hundreds of flat spring steel wires. The wires can be made from steel and be galvanised or zinc plated to protect them from corrosion. They are ideal for removing tar and creosote deposits from brick chimneys and clay flue liners.

A brush should typically be approximately 1.3cm (0.5″) larger in diameter than the chimney or flue it is to be used on and matched to the shape of the flue or chimney.

Wonkee Donkee Flat metal brushes are excellent at cleaning chimneys and terracotta flue liners These brushes should not be used in metal flues as they will scratch the inside of the flue enabling the tar and creosote to adhere to the inside of the flue.

Flat metal filament brushes come in sizes ranging from 100 mm to 450 mm (4″ to 171/2″)  in diameter. The colours are attributed to the type of plating used i.e. galvanised or zinc plating.

Flat metal filament brushes come in a range of shapes and sizes to match your chimney or flue.

Wonkee Donkee Pellet Stove Brush for cleaning the flues on pellet stoves when connected to a chimney rod

Pellet stove brushes

These brushes are specially designed for pellet stove flues and clothes dryer vents. Fibre brushes work best for soot removal and heavy lint build-up in dryer vents. Pellet stove brushes come in a range of shapes and sizes to match your flue. Remember to always choose a brush slightly larger than your flue.

Wonkee Donkee  Poly wire mix brushes for removing soot and tar from flues and chimneys

Polypropylene and wire mix brushes

The polypropylene and wire mix brush has a mixture of both polypropylene and wire bristles and is very much a jack of all trades.

These brushes come in a range of sizes and shapes to match your chimney. The colour does not denote anything, it is purely a manufacturing choice.

Wonkee Donkee advises that a wire brush is used first to remove tar and creosote deposits followed by a polypropylene brush to remove any remaining soot and deposits.

Wonkee Donkee Square Brush for removing soot and tar from a square flue of chimney

Square oil tempered metal brushes

Square oil tempered brushes have bristles that are made from oil tempered wire and and are designed to fit right into the corners of square chimneys and flues.

They are particularly good for cleaning creosote and tar from wood burning heating systems.

The bristles are hard wearing and retain their shape even when they have been used quite vigorously. They are available in a range of sizes to suit the chimney being cleaned.

Wonkee Donkee Power brush used with nylon chimney and flue rods for power sweeping

Power brushes

The power brush is designed to fit into the button lock joint system. This brush has been designed to clean flues from 100mm to 200mm (4 – 8″). Wider brushes are available and you can trim them to fit your individual chimney.

The brush acts like a whip as it rotates at great speed powered by a drill or similar power tool. The whip heads contain nylon which aid the sweeping of the chimney.

Wonkee Donkee Metal flail for removing creosote from your chimney or flue

Metal chains

These tools are extremely effective at removing heavy deposits of tar and creosote, but they should only be used by professionals as they can cause major damage to a chimney if they are not used correctly.

 Wonkee Donkee Advice on the size of chimney brush required