Apart from this, professionals also recommend cleaning all surfaces from dust, grease, oils, and other contaminant substances. You should take a step further and wet all the surfaces before applying the fire putty. How Long for Fire Cement to Dry? Experts recommend using masking tape around the top and bottom of the seal so that a clean straight edge of the heat resistant cement can be applied and exposed to the heat. As a heat-resistant product, it can be used on a variety of surfaces wherever there is high amount of heat Fire putty is also widely used for sealing against the escape of smoke and flue gases in residential and commercial appliances, such as stoves, chimneys, and central heating systems. How to Use Fire Cement on Flue Pipe? Do not let any unnecessary putty to dry out on the surfaces of the stove or flue pipe. This excessive fire cement can become incredibly difficult to remove later on.

join internal flue pipes especially the first joint between the flue pipe and the spigot of the stove, In domestic situations this translates to a very versatile and useful product both for installation and repair applications. Fire Cement is a ready and mixed combination of thermosetting resins and inorganic fillers. When applied and exposed to high temperatures, this combination is capable of healing, which results in a mortar. This mortar is temperature resistant up to 1250ºC.