Over time, the bricks surrounding fireplaces and BBQs can crumble and break. It is crucial to use bricks that are heat resistant.Â
Firewise Instant Brick Castable Cement
High-Performance Refractory Cement for Extreme Heat Applications
Firewise Instant Brick Castable Cement is a heat-resistant air-setting and heat-setting firebrick mix for repairing or replacing firebricks. With exceptional strength and abrasion resistance, it is asbestos-free and gives off no toxic fumes. This durable cement sets rock-hard, providing superior strength and longevity in extreme conditions, ideal for building or repairing fireplaces, wood-fired ovens, kilns, and furnaces.
Colour: Grey
Ideal for:
- Repairing and repairing firebricks
- Building and repairing firepits, pizza ovens, and furnaces
- Providing a protective covering
- Cast into whatever shape you need
- Lining Pot Belly Stoves
Perfect for DIY enthusiasts and professionals alike, Firewise Instant Brick Castable Cement ensures reliable, long-lasting results in extreme heat environments.
Handy Hint: Use Firewise Hot Spot Ready To Use Mortar to fill in any gaps around the brick.
Note: 4kgs = 1 std size house brick.
Key Features
Features & Benefits
- High-Temperature Resistance – Withstands intense heat, making it perfect for fireplaces, furnaces, and pizza ovens.
- Castable & Mouldable – Easily shaped to create custom bricks or repair existing refractory structures.
- Superior Strength & Durability – Forms a robust, heatproof bond that stands the test of time.
- Versatile Applications – Suitable for residential, commercial, and industrial heat-resistant projects.
Perfect for DIY enthusiasts and professionals alike, Firewise Instant Brick Castable Cement ensures reliable, long-lasting results in extreme heat environments.
How to Use
Empty whole contents of tub into plastic bucket.
- Add water slowly, mixing with a trowel until a dry crumbly paste is obtained.
- Add more water SLOWLY until mix is a pliable ball.
- On a clean flat surface, mould to the size and shape brick required. Trim with a knife if necessary.
- Clean area to be filled removing any loose material and dust. Then wet the area with water.
- Place brick in firmly to take up vacant space.
- Air dry for 24 hours. Then heatset with a small gentle fire. Your unit is then ready for normal use.
Note:Â 4kgs = 1 std size house brick.
Handy Hint: Use Firewise Hot Spot Ready-To-Use Mortar to fill any gaps around the brick.
Safety, SDS & Other Documents
Safety & First Aid
SAFETY DIRECTIONS:Â Keep all cleaning products out of reach of children. May cause damage to organs through prolonged or repeated exposure. Do not breathe dust, wear dust mask.
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.
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Satisfied User (verified owner) –
Without Rubbedin materials keeping a very old Rayburn cooker firebox alive would be almost impossible.