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Carolina Ceramics // Firebrick


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.

Fireplace Brick - Full Size

Our light duty fireplace brick conform to ASTM C 1261 and are recommended for use in fire boxes for masonry fireplaces and barbeques.

    2 1/4 inch x 4 inch x 8 inch 
(Suggested installation: 4 x 8 face)
    5.7 lbs. each

Fireplace Brick - Splits

Our split fireplace brick meet ASTM C 1261 Specifications and are recommended for use in lining fireplace inserts and wood burning stoves.

      1 1/4 inch x 4 1/2 inch x 8 inch 
(Suggested installation: 4 1/2 x 8 face)
      3.5 lbs. each

    Physical and Refractory Characteristics

    Refractory Raw Material

    Pyrometric Cone Equivalent  
    Cone 20-33

    Avg. Bulk Density
    (lbs. cu. ft.)

    Avg. Water

    Avg. Modulus
    of Rupture (psi)

    Avg. Cold
    Crushing Strength (psi)





     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 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.



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