• Excellent adhesion • Great for installing fibreglass rope, filling holes, cracks, or sealing flues • Ensures smoke and gas-tight joints • Pre-mixed – ready to use • Air dries in 24 hours • Heat resistant to 1400°C • Black in colour • Coverage: Approx: 500g tub = .25lts = 250cm³ Black Patch Stove Putty is ideal for installing fibreglass rope in fire doors, filling holes and cracks, sealing flues and grates, or general repairs to wood heaters, fuel stoves, and barbecues. Suitable for use outdoors, must be kept dry for the first 24 hours. For repairs to firebricks use Hot Spot Ready to Use Mortar or Instant Brick Castable Cement.