Video Tutorial: Basics of Working with Refractory Mortar and Laying Firebrick
It is important for someone installing a masonry heater core to be familiar with working with refractory mortar and laying firebrick. For the purposes of our installation instructions, we will refer to the use of commercially available pre-mixed refractory mortars which are typically a combination of clay, very fine aggregate, and sodium silicate (aka waterglass) […]