Over time, wood heaters and stoves can develop cracks and holes, allowing smoke and fumes to escape into a room. Use Firewise Black Patch Stove Putty to fill holes and cracks.
Firewise Black Patch Stove Putty is a premium, heat-resistant repair compound designed for fixing cracks, holes, and gaps in solid fuel stoves, fireplaces, and combustion heaters. This easy-to-use putty creates a strong, durable seal that withstands high temperatures, helping to maintain efficiency and safety in your heating appliances.
Ideal for:
- Fill holes
- Repairing cracks
- Sealing flues
- Sealing grates
- Installing Fibreglass Rope to Fire Doors
- Ensuring smoke and gas-tight joints
Suitable for:
- Wood heaters
- Fuel Stoves
- BBQs
Handy Hint:Â Use Firewise Black Beauty Cast Iron Stove Polish to help prevent rusting, flaking and pitting.
Key Features
Features & Benefits
- Heat-Resistant & Durable – Formulated to withstand extreme temperatures for long-lasting repairs.
- Strong Adhesion – Bonds securely to metal, brick, and other heat-exposed surfaces.
- Easy to Apply – Smooth, workable consistency for simple application and shaping.
- Multipurpose Use – Ideal for sealing gaps and repairing cracks in fireplaces, stoves, flues, and heaters.
How to Use
- Clean the area to be fixed or filled by removing any loose material and dust.
- When opening the inner seal, place the tub on a flat surface to avoid spillage. Mix the stove putty thoroughly until an even consistency is reached.
- Pre-wet porous surfaces and apply with a putty knife or suitable tool.
- Allow a minimum of 24 hours to dry – cold, humid and wet weather will prolong the drying time. The product will be rock-hard when set. It can be painted after 7 days.
Note: It is not recommended for use outdoors unless it is protected from wet weather by a roofed area. To avoid unused product drying out, keep the lid tightly closed and store it away from heat.
Safety, SDS & Other Documents
Safety & First Aid
SAFETY DIRECTIONS:Â Keep out of reach of children. Avoid contact with skin and eyes. Wear suitable gloves and eye/face protection.
FIRST AID:Â For advice, contact a Poisons Information Centre (e.g. phone Australia 13 11 26; New Zealand 0800 764 766) or a doctor (at once). If swallowed, do NOT induce vomiting. If in eyes, hold eyelids apart and flush the eye continuously with running water. Continue flushing until advised to stop by a Poisons Information Centre or a doctor, or for at least 15 minutes. If skin or hair contact occurs, remove contaminated clothing and flush skin and hair with running water.
SDS & Documents
Click on the links below to view and/or download.









Anonymous (verified owner) –
This is good stuff !! Drys solid, easy to apply, rock hard in 24 hours, multiple uses
Hayley (store manager) –
Fantastic!
Deb (verified owner) –
Prompt service, great price
John M. (verified owner) –
Works well but needs replacing yearly!