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Heat Resistant Filler


Vitcas® Heat Resistant Filler can be used for small cracks around the chimney breast or on the joints in cement boards or mineral fibre boards.

Ready-mixed air setting material. Sets faster when warm. Vitcas® Heat Resistant Filler can be sanded before painting. Its maximum service temperature is 1000 degrees celcius.

Add this filler to your stove servicing equipment!
SKU: 3711007 Categories: , ,


This Heat Resistant Filler is a easy to apply filler! Specially designed for use with insulation boards, vermiculite boards, high temperature plasterboards and construction boards. 

Our Heat resistant filler is primarily utilised for filling in small cracks. Also used to joint in high temperature products such as in Vitcas High Temperature Plasterboard. The filler can be used to fix boards to brickwork, blockwork and small cracks. Really useful in If the gap is larger, we reccommend using the Vitcas HB60. This adhesive is tested to 750 degree C and is resistant to this temperature.

Each tube can cover almost 18 metres, a more specific guide can be found in the coverage tab. You can find application instructions in the tab above.

We recommend storing the Vitcas Filler in a cool dry place between 5  and 25 degrees. Please ensure that the lid is replaced properly after each use. Under these conditions the shelf life should be a minimum of 12 months.

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Not sure if this Vitcas Heat Resistant Filler is what you need for your stove? Ask a member of the team. You can talk to us by clicking here!


  • Make sure the area is clean and that all dirt, dust and grease is removed.
  • Cut off the top of the cartridge, screw on the nozzle and cut the nozzle to the required size.
  • Apply to the area to be filled using a cartridge gun. Smooth the surface with a clean scraper. The material will set faster when warm.
  • Vitcas® Heat Resistant Filler can be sanded before painting. Certain types of emulsion paint may require the use of a proprietary stabilising primer before application – check with the instructions on the paint.


A guide to the amount of the material contained in one 310ml cartridge

Bead dia. 4mm – length approx. 18 metres
Bead dia. 6mm – length approx. 8 metres
Bead dia. 8mm – length approx. 5 metres
Bead dia. 10mm – length approx. 3 metres