im brand new to this site so if this is a dumb question please tell me. I need a couple fire bricks for end caps for my propane forge. Unfortunately in my area (SW Florida) it is impossible to find fire brick within 150 miles. I’ve found a few recipes for refractory cement but again the only materials I can find around here are Portland cement I-II, perlite, crushed silica, hydrated lime. Has anyone experimented with this recipe and would it suffice as a temporary fix until I can build a new forge properly?