- very little cracking during drying
- high resistance to borax
Informations for usage:
Dress your fireplace approx 1.5cm thick with this concrete and allow it to dry 3-5 days . The floor and the wall at the flame from the torch incident should be about 2.5 cm thick. Before first use, the concrete has to be burned . Heat the fire pit on the smallest possible flame with a minimum air supply until the residual moisture evaporation from the concrete . If, after about 2 hours no more steam comes out , increase the temperature slowly to the fireplace until it gentle glows inside. Let it there for about 1-2 hours. Then continue heating to fire to welding temperature for about 1 hours.
|Product weight:||0,52 Kg|