View Historical Standards for C1261:

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Document Designation and Title Year Select Item(s) C1261 Standard Specification for Firebox Brick for Residential Fireplaces 07 C1261 Standard Specification for Firebox Brick for Residential Fireplaces 05 C1261 Standard Specification for Firebox Brick for Residential Fireplaces 04 C1261 Standard Specification for Firebox Brick for Residential Fireplaces 98