8x8 Flue Block (LW)
Concrete masonry unit (CMU) block, 8" x 8" x 16". Flue block, lightweight, used to construct vertical chimney flue systems and vent shafts. Designed for compatibility with standard reinforcement and flue lining practices.
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Concrete Calculation Disclaimer:
Calculations provided by this tool are for estimation purposes only. Actual yardage may vary due to site conditions, such as uneven subgrade or bulging forms. To ensure you have enough material, it's recommended to add an additional 1/4 to 1 cubic yard to the calculator results. Depending on the subgrade's levelness, larger pours of 20 yards or more may require up to 10% additional.