Stove & Chimney Cleaners

Choose the Correct Cleaner for the Maintenance Task

Soot, tar, grease and creosote may originate from combustion, but they do not all occur on the same surface or require the same treatment. Identify whether the work concerns accessible appliance glass or deposits inside a chimney and flue. Confirm the appliance fuel, flue construction, surface finish and maintenance history before selecting the product.

Using Stove Glass Cleaner

The liquid cleaner is applied directly to a cold surface. Allow the stove, fireplace, oven or barbecue to cool completely before starting. Check the appliance manufacturer’s cleaning instructions, particularly where the glass has a printed border, specialist coating or catalytic treatment. Do not clean glass that is cracked, loose or otherwise damaged.

• Prepare the area: isolate the appliance, provide ventilation and protect adjacent flooring and finishes from overspray.
• Check compatibility: test a small, inconspicuous area where the substrate or finish is uncertain.
• Apply sparingly: spray a small quantity onto the cold glass and leave it for a few minutes to loosen the deposit.
• Wipe without abrasion: use a damp cloth, kitchen roll or a pad approved for stove glass. Do not use blades, wire wool or sharp tools.
• Repeat if required: treat persistent marks again rather than applying excessive force that could scratch the surface.
• Finish cleanly: remove residual cleaner and loosened contamination before the appliance is returned to service.

Avoid saturating rope seals, joints, painted trims, controls and air openings. The glass-cleaning process does not verify that the door seals correctly, that its hinges and latch are adjusted, or that the appliance is burning as intended. Include these items in normal stove inspection.

Using CFC Chimney & Flue Cleaner

CFC is a ready-to-use powder for chimneys and flues connected to solid-fuel appliances, including wood burners, multi-fuel stoves, boilers and cookers. Its product page states compatibility with stainless steel flexible liners as well as other chimney and flue installations. Confirm the complete flue material, appliance instructions and system condition before treatment.

Prepare the appliance while it is cool by removing excess ash and cinders. Establish a low-burning fire, then apply the measured powder in accordance with the current pack directions. Do not use it on a high fire, because the published instructions state that excessive temperature may reduce cleaning effectiveness. Allow approximately one hour for the treatment to act through the flue system.

The online directions recommend 2–4 scoops twice per week for routine optimum use and advise increased treatment where deposits are persistent. Dosage is not universal: follow the current container label, do not use an unmeasured quantity and obtain technical confirmation for an unusually large commercial or industrial system. Keep the powder dry and do not mix it with water or another cleaner.

Chemical Treatment Does Not Replace Chimney Sweeping

CFC can help dislodge and reduce deposits during routine operation, but it cannot confirm that a flue is unobstructed or structurally sound. It does not remove a bird’s nest, collapsed masonry, damaged liner, foreign object or severe glazed deposit. Loosened material may also require removal from a debris space or access point.

A competent chimney sweep can remove deposits mechanically and assess accessible parts of the system. The required frequency depends on fuel, appliance use and deposit rate. UK HETAS guidance encourages sweeping at least twice a year when burning wood or bituminous house coal and at least once a year when burning smokeless fuels. Follow the appliance manufacturer, insurer and applicable local guidance where these require a different schedule.

Stop using the appliance and arrange professional inspection if smoke enters the room, the flue draught changes suddenly, a carbon-monoxide alarm operates, the chimney becomes unusually hot, deposits fall in large quantities or a blockage or chimney fire is suspected. A cleaning chemical must never be used as the response to an active chimney fire.

Understanding Soot, Tar and Creosote Build-Up

Cleaner selection addresses the deposit; it does not correct the conditions producing it. Burn only fuel permitted by the appliance manufacturer, use properly seasoned wood where applicable, operate the air controls correctly and keep the stove, seals, airways and flue maintained.

Handling and Storage

• Read current information: follow the product label and safety data sheet before use.
• Prevent exposure: avoid contact with eyes and skin and avoid inhaling spray mist, powder or disturbed soot.
• Ventilate: provide suitable air movement when cleaning glass and continue to operate the appliance only with its required ventilation available.
• Do not mix cleaners: never combine the liquid or powder with another chemical product.
• Store securely: keep containers closed, dry and away from children, food, animal feed and incompatible substances.
• Manage waste: dispose of contaminated wipes, soot and empty packaging in accordance with the product information and local requirements.

Commercial users should include these products in their COSHH assessment, maintenance procedure and treatment records. A site procedure should identify the responsible person, appliance isolation, personal protective equipment, dosage, ventilation, fire control and post-treatment inspection.

Frequently Asked Questions

Which cleaner should I use for stove glass?

Use the ready-to-use 650ml Stove Glass Cleaner on compatible, cold stove or fireplace glass. It is intended to loosen soot, tar, grease and burnt-on marks that obscure the view of the fire.

Can Stove Glass Cleaner be used while the appliance is hot?

No. The product instructions require application to a cold surface. Allow the appliance and glass to cool completely before spraying or wiping.

Does Stove Glass Cleaner need to be diluted?

No. It is supplied ready to use. Apply a small amount rather than mixing it with water or another cleaning chemical.

Can the glass cleaner be used on oven glass doors and barbecues?

The product is listed for compatible stove, fireplace, oven and barbecue glass and selected high-temperature surfaces. Check the equipment manufacturer’s instructions and test compatibility where the surface has a special coating or finish.

Why does stove glass become black again quickly?

Rapid staining may be associated with wet fuel, insufficient combustion air, prolonged low-temperature burning, an ineffective air-wash system, worn door seals or a flue problem. Repeated cleaning treats the mark but not its cause.

What is CFC Chimney & Flue Cleaner?

It is a ready-to-use 750g powder applied to a low-burning solid-fuel fire to help dislodge and reduce soot, tar and creosote deposits within a compatible chimney or flue.

How much CFC should be used?

The online directions state 2–4 scoops twice per week for optimum routine treatment. Follow the current container label because the correct application can depend on the system size, deposit level and manufacturer’s instructions.

Can CFC be applied to a high fire?

No. Apply it to a low-burning fire as directed. The product page states that excessive fire temperature may reduce the effectiveness of the treatment.

Can CFC be used with a stainless steel flexible flue liner?

The product is stated to be suitable for stainless steel flexible liners. Confirm the liner type, appliance instructions and physical condition of the complete system before use.

Is CFC intended for gas or oil appliances?

The published applications are solid-fuel appliances such as wood burners, multi-fuel stoves, boilers and cookers. Do not extend its use to a gas or oil installation without written confirmation from the appliance and product manufacturers.

Does chimney-cleaning powder replace mechanical sweeping?

No. It supports routine deposit control but does not replace professional sweeping, inspection or removal of material from access and debris-collection points.

Can CFC clear a blocked chimney?

No. Do not use the appliance if the chimney or flue may be blocked. A competent professional must locate and remove the obstruction and assess the system before it is returned to service.

Will cleaner prevent every chimney fire?

No product can guarantee this. Reducing combustible deposits is one part of risk control; correct fuel, appliance operation, servicing, sweeping and flue condition remain essential.

How often should a chimney be swept?

Frequency depends on fuel, appliance use and observed deposits. HETAS encourages at least twice-yearly sweeping when burning wood or bituminous house coal and at least annual sweeping when burning smokeless fuel. Follow any stricter appliance, insurer or local requirement.

When does creosote require professional attention?

Arrange professional assessment for thick, glossy, glazed or rapidly recurring deposits, restricted draught, smoke leakage or any suspected flue damage. Severe creosote may require specialist mechanical removal rather than routine chemical treatment.

Can both cleaners be included in one maintenance plan?

Yes, but for separate tasks. Use the liquid on compatible cold glass and CFC in a suitable solid-fuel flue as directed. Neither replaces appliance servicing and scheduled chimney sweeping.