- For estimating purposes approximately 50 lbs. will lay up 100 firebricks (2 ½ inch thick) if joint thickness is 1/16 to 1/8 inch as recommended.
- Joint thickness up to 1/2 inch is acceptable with this product and is quite common.
- Add clean water (approximately 3/4 to 1 quart) for each 10 lbs. and mix thoroughly. No other additives required.
- Cold water works best. Warm water quickens set time. Do not remix or retemper this product as you would with a regular mortar.
- HEAT STOP-50 (50 lb. bag) yields approximately 60 lbs. of refractory mortar. This is the most economical per pound.
- Meets and exceeds ASTM C-199, ASTM C-1283, ASTM E-136.
- Meets and exceeds all local and national building codes including NFPA-211 and International Residential Codes, (1RC) and International Building Code (1BC) and etc.
- Color with masonry mortar color if desired. Follow color manufacturer’s instructions as if using a regular masonry mortar.
- Good for applications well over 2,000°F.