Carolina Ceramics began as a firebrick manufacturer in 1939. Today, we are still a leading supplier. All of our firebrick meets ASTM C-1261 specs.
Wire Cut & Smooth
A quality light duty fireplace brick, conforms to requirements found in ASTM C 1261. They are recommended for use in fire boxes for masonry fireplaces and barbeques.
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Wire Cut Split
Our finest quality split fireplace brick meets ASTM C 1261 Specifications. They are recommended for use in lining new wood burning stoves and fireplace inserts or to add new life to your wood burning stoves by replacing old firebrick.
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Physical and Refractory Characteristics
| Sample | Pyrometric Cone Equivalent |
| Refractory Raw Material | Cone 20-33 |
| Avg. Bulk Density (lbs. cu. ft.) | Avg. Water Absorption | Avg. Modulus of Rupture (psi) | Avg. Cold Crushing Strength (psi) |
| 122.57 | 13.53% | 241.87 | 6,920 |
A recommended job-mixed firebrick mortar is as follows (by volume):
• 1 part Portland Cement (type II) Caution: do not substitute motar mix for Portland Cement.
• 1 part fireclay
• 1 part fireclay
• 1 part sand
Keep joints as thin as possible.
Suggested Break-in Procedure
Step 1: After all masonry work is complete, it should be allowed to cure for 40 days before any fire is built.
Step 2: The first four fires should be relatively small in order to assure that all moisture has been removed from the fireplace. After the fourth small fire, the fireplace is ready for a full winter’s normal use.
It is suggested that Step 2 be repeated each fall as spring and summer rains, as well as cleanings, do reintroduce moisture to the fireplace.
Please Note: Manufacturers suggest a chimney cap (metal, masonry or other) be used in conjunction with all masonry fireplaces. And building crews should neverbe allowed to use the fireplace to dispose of rubbish or for heating purposes.


